Mathematics
One topic at a time, grades 1–3, in the order it builds.
12 topics · 143 skills across grades 1–3 · 19 TAC chapter 111 the rule text (PDF)
Grouped by what you would call the thing, rather than by where Texas files it. A skill can sit under more than one topic, because most of them do.
Putting together and taking away, from small facts you know by heart up to numbers within a thousand.
also called sums, take away
- Grade 1 1.3.D Apply fact strategies within 20 Close
1.3.D · Grade 1
Apply fact strategies within 20
apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10
Example
- Ask for 8 + 5 and listen for whether they take 2 off the 5 to make 10 first.
- Ask for 13 - 5 and listen for whether they come down to 10 first and take the other 2 after.
Part of the adding and subtracting topic
- Grade 1 1.3.E Explain add and subtract strategies to 20 Close
1.3.E · Grade 1
Explain add and subtract strategies to 20
explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences
Example
- After they answer 7 + 8, ask them to say out loud how they got there.
- Ask them to show that same 7 + 8 with counters, then write it as a number sentence.
Part of the adding and subtracting topic
- Grade 1 1.3.F Generate, solve stories for number sentences Close
1.3.F · Grade 1
Generate, solve stories for number sentences
generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20
Example
- Write 12 - 5 = 7 and ask them to invent a story the sentence answers.
- Write 6 + 9 = 15 and ask for a story where the 9 is something arriving, not something already there.
Part of the adding and subtracting topic
- Grade 1 1.5.D Model addition and subtraction problems to 20 Close
1.5.D · Grade 1
Model addition and subtraction problems to 20
represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences
Example
- Tell them 7 birds were on a wire and 5 more landed. Ask for the drawing and the number sentence first.
- Put 15 stones out, say 6 got carried off, and ask for the model and the number sentence before the answer.
Part of the adding and subtracting topic
- Grade 1 1.5.F Determine the unknown in any term Close
1.5.F · Grade 1
Determine the unknown in any term
determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation
Example
- Write 8 + [ ] = 15 and ask for the missing number.
- Write [ ] - 4 = 9, where the unknown starts the sentence instead of ending it.
- Write 5 + 3 = [ ] + 6 and ask for the missing number in the one with four terms.
Part of the adding and subtracting topic
- Grade 1 1.5.G Add and subtract using operation properties Close
1.5.G · Grade 1
Add and subtract using operation properties
apply properties of operations to add and subtract two or three numbers
Example
- Ask for 7 + 4, then 4 + 7, and ask why the answer did not move.
- Ask for 8 + 2 + 5 and watch whether they take the 8 and the 2 first.
Part of the adding and subtracting topic
- Grade 2 2.4.A Automatic addition and subtraction within 20 Close
2.4.A · Grade 2
Automatic addition and subtraction within 20
recall basic facts to add and subtract within 20 with automaticity
Example
- Ask 9 + 6 and 14 - 8 with no paper. Listen for an answer in a couple of seconds, not a count.
Part of the adding and subtracting topic
- Grade 2 2.4.B Up to four two-digit addends, and subtraction Close
2.4.B · Grade 2
Up to four two-digit addends, and subtraction
add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations
Example
- Ask for 23 + 41 + 12 + 30 in one go, all four at once.
- Ask for 62 - 47 and listen for whether they can explain the borrowing, not just do it.
Part of the adding and subtracting topic
- Grade 2 2.4.C One- and multi-step word problems within 1,000 Close
2.4.C · Grade 2
One- and multi-step word problems within 1,000
solve one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms
Example
- Two legs of a drive run 235 miles and 148 miles. Ask how far that is altogether, then how much farther to 500.
- A jar holds 412 beads and 175 come out. Ask how many are left, then ask them to check it a different way.
Part of the adding and subtracting topic
- Grade 2 2.4.D Write and solve problems from number sentences Close
2.4.D · Grade 2
Write and solve problems from number sentences
generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000
Example
- Write 300 - 125 = 175 and ask them to invent a story that the sentence answers.
Part of the adding and subtracting topic
- Grade 2 2.7.C Represent and solve problems with any unknown Close
2.7.C · Grade 2
Represent and solve problems with any unknown
represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem
Example
- Say "the drive was some number of miles, then 40 more, and ended at 130," and ask for the first number.
- Give a second story where the missing number is the one that changed in the middle, not the one at the start or the end.
Part of the adding and subtracting topic
- Grade 2 2.10.C Write and solve one-step graph problems Close
2.10.C · Grade 2
Write and solve one-step graph problems
write and solve one-step word problems involving addition or subtraction using data represented within pictographs and bar graphs with intervals of one
Example
- Have them redraw the same counts with one square per vehicle, then ask them to make up a word problem about it and solve it.
Part of the adding and subtracting topic
- Grade 3 3.4.A Add and subtract fluently within 1,000 Close
3.4.A · Grade 3
Add and subtract fluently within 1,000
solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction
Example
- A sign says 462 miles to the next park. After 175 miles, ask how far is left, then ask again after another 130.
- Ask for 703 - 268 and listen for whether they can explain the regrouping, not just do it.
Part of the adding and subtracting topic
- Grade 3 3.4.B Estimate with rounding or compatible numbers Close
3.4.B · Grade 3
Estimate with rounding or compatible numbers
round to the nearest 10 or 100 or use compatible numbers to estimate solutions to addition and subtraction problems
Example
- Before adding 287 and 412, ask them to round each to the nearest 100 and say roughly what to expect.
- Ask them to round 68 and 34 to the nearest 10 before subtracting, then ask how close the estimate landed.
Part of the adding and subtracting topic
- Grade 3 3.4.E Represent multiplication facts several ways Close
3.4.E · Grade 3
Represent multiplication facts several ways
represent multiplication facts by using a variety of approaches such as repeated addition, equal-sized groups, arrays, area models, equal jumps on a number line, and skip counting
Example
- Ask them to show 4 x 6 three ways: as repeated addition, as an array, and as equal jumps on a number line.
- Ask them to skip count by fours up to 24 and say how many jumps it took.
Part of the adding and subtracting topic
- Grade 3 3.5.A Represent addition and subtraction to 1,000 Close
3.5.A · Grade 3
Represent addition and subtraction to 1,000
represent one- and two-step problems involving addition and subtraction of whole numbers to 1,000 using pictorial models, number lines, and equations
Example
- Give a two-step story about a drive and ask for the equation before the answer.
- Ask them to draw the same story on a number line: 340 miles, then 155 more, then how far short of 600.
Part of the adding and subtracting topic
- Grade 3 3.7.C Add and subtract time intervals in minutes Close
3.7.C · Grade 3
Add and subtract time intervals in minutes
determine the solutions to problems involving addition and subtraction of time intervals in minutes using pictorial models or tools such as a 15-minute event plus a 30-minute event equals 45 minutes
Example
- A fuel stop takes 25 minutes and the next stop takes 40. Ask how long both come to together.
- A hike is planned for 50 minutes and 15 have gone by. Ask them to show the rest on a clock face and say how many minutes are left.
Part of the adding and subtracting topic
Counting in twos, fives and tens, and using it to total up a pile of coins or a grid of square tiles.
- Grade 1 1.4.C Count pennies, nickels, dimes to find value Close
1.4.C · Grade 1
Count pennies, nickels, dimes to find value
use relationships to count by twos, fives, and tens to determine the value of a collection of pennies, nickels, and/or dimes
Example
- Slide 8 pennies across the table and ask them to count by twos to the total.
- Put out 6 nickels and ask them to count by fives.
- Put out 4 dimes and 3 pennies and ask them to count the dimes by tens before picking up the pennies.
Part of the counting topic
- Grade 1 1.5.B Skip count twos, fives, tens to 120 Close
1.5.B · Grade 1
Skip count twos, fives, tens to 120
skip count by twos, fives, and tens to determine the total number of objects up to 120 in a set
Example
- Pour out a jar of buttons, ask them to push the buttons into groups of 10, and count by tens to the total.
- Lay out 30 pennies in pairs and ask for the total by twos.
- Ask them to count a page of tally marks by fives.
Part of the counting topic
- Grade 2 2.3.C Count parts to and beyond one whole Close
2.3.C · Grade 2
Count parts to and beyond one whole
use concrete models to count fractional parts beyond one whole using words and recognize how many parts it takes to equal one whole
Example
- Break two crackers into fourths, lay out five of the pieces, and ask them to count the parts aloud: one fourth, two fourths, and on past the whole.
- Ask how many eighths it takes to make one whole.
Part of the counting topic
- Grade 2 2.9.F Find rectangle area with square unit models Close
2.9.F · Grade 2
Find rectangle area with square unit models
use concrete models of square units to find the area of a rectangle by covering it with no gaps or overlaps, counting to find the total number of square units, and describing the measurement using a number and the unit
Example
- Draw a rectangle four tiles by six tiles, ask them to cover it with no gaps or overlaps, and say the area as a number and a unit.
Part of the counting topic
- Grade 3 3.4.E Represent multiplication facts several ways
Cutting a whole into fair shares. It starts as shapes and only later becomes numbers.
- Grade 1 1.6.G Partition into two and four equal parts Close
1.6.G · Grade 1
Partition into two and four equal parts
partition two-dimensional figures into two and four fair shares or equal parts and describe the parts using words
Example
- Hand over a tortilla and ask them to split it into two fair shares, then name one piece out loud.
- Fold a square of paper into four equal parts and ask what one part is called.
Part of the fractions topic
- Grade 2 2.3.A Partition and name halves, fourths, eighths Close
2.3.A · Grade 2
Partition and name halves, fourths, eighths
partition objects into equal parts and name the parts, including halves, fourths, and eighths, using words
Example
- Hand them a sandwich and ask for fourths, then ask them to name one piece in words.
- Fold a sheet of paper into eighths and ask what one part is called.
Part of the fractions topic
- Grade 2 2.3.B More parts, smaller parts; fewer, larger Close
2.3.B · Grade 2
More parts, smaller parts; fewer, larger
explain that the more fractional parts used to make a whole, the smaller the part; and the fewer the fractional parts, the larger the part
Example
- Ask which is bigger, a half of a cracker or an eighth of the same cracker, and why.
Part of the fractions topic
- Grade 2 2.3.C Count parts to and beyond one whole
- Grade 3 3.3.A Represent fractions up to one whole Close
3.3.A · Grade 3
Represent fractions up to one whole
represent fractions greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 using concrete objects and pictorial models, including strip diagrams and number lines
Example
- Cut one paper strip into thirds and another into sixths, and ask them to shade two thirds on the first and five sixths on the second.
- Draw a number line from 0 to 1 and ask them to mark one half, then three fourths, then seven eighths.
Part of the fractions topic
- Grade 3 3.3.B Determine the fraction at a number-line point Close
3.3.B · Grade 3
Determine the fraction at a number-line point
determine the corresponding fraction greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 given a specified point on a number line
Example
- Draw a line from 0 to 1 divided into eighths, mark one point on it, and ask them to name the fraction that sits there.
- Do it again with the line divided into halves, then thirds, then fourths, then sixths.
Part of the fractions topic
- Grade 3 3.3.C Explain the unit fraction 1/b Close
3.3.C · Grade 3
Explain the unit fraction 1/b
explain that the unit fraction 1/b represents the quantity formed by one part of a whole that has been partitioned into b equal parts where b is a non-zero whole number
Example
- Fold a sheet into six equal parts, point at one part, and ask what to call it and why the six matters.
- Ask what the bottom number of one eighth is telling them about the whole.
Part of the fractions topic
- Grade 3 3.3.D Compose and decompose a/b into 1/b parts Close
3.3.D · Grade 3
Compose and decompose a/b into 1/b parts
compose and decompose a fraction a/b with a numerator greater than zero and less than or equal to b as a sum of parts 1/b
Example
- Ask them to write three fourths as a sum of fourths.
- Break a cracker into sixths, put five pieces on the table, and ask what fraction is there and how many one-sixths it took.
Part of the fractions topic
- Grade 3 3.3.E Partition objects into fractional shares Close
3.3.E · Grade 3
Partition objects into fractional shares
solve problems involving partitioning an object or a set of objects among two or more recipients using pictorial representations of fractions with denominators of 2, 3, 4, 6, and 8
Example
- Cut one granola bar so three people get equal shares, and ask them to name one share.
- Draw three sandwiches shared fairly among eight people and ask them to shade what one person gets.
Part of the fractions topic
- Grade 3 3.3.F Represent equivalent fractions with models Close
3.3.F · Grade 3
Represent equivalent fractions with models
represent equivalent fractions with denominators of 2, 3, 4, 6, and 8 using a variety of objects and pictorial models, including number lines
Example
- Fold one strip into halves, one into fourths, and one into eighths, line all three up, and ask which shaded pieces match.
- Draw two number lines from 0 to 1, one in thirds and one in sixths, and ask for a point that lands on both.
Part of the fractions topic
- Grade 3 3.3.G Explain when two fractions are equivalent Close
3.3.G · Grade 3
Explain when two fractions are equivalent
explain that two fractions are equivalent if and only if they are both represented by the same point on the number line or represent the same portion of a same size whole for an area model
Example
- Mark two fourths and one half on the same number line and ask them to say why those are the same number.
- Shade one fourth of one circle and two eighths of a same-size circle, and ask whether the shaded amount is equal and how they can tell.
Part of the fractions topic
- Grade 3 3.3.H Compare fractions: same numerator/denominator Close
3.3.H · Grade 3
Compare fractions: same numerator/denominator
compare two fractions having the same numerator or denominator in problems by reasoning about their sizes and justifying the conclusion using symbols, words, objects, and pictorial models
Example
- Ask which is bigger, three eighths or five eighths, and why.
- Ask which is bigger, two thirds or two eighths, and ask them to write the symbol between them.
Part of the fractions topic
- Grade 3 3.6.E Decompose figures into unit-fraction parts Close
3.6.E · Grade 3
Decompose figures into unit-fraction parts
decompose two congruent two-dimensional figures into parts with equal areas and express the area of each part as a unit fraction of the whole and recognize that equal shares of identical wholes need not have the same shape
Example
- Cut two identical squares of paper into fourths, one with straight cuts and one with diagonals, and ask whether every piece is still one fourth.
- Ask them to name one piece as a fraction of the whole square, then ask whether equal shares are always the same shape.
Part of the fractions topic
- Grade 3 3.7.A Halves, fourths, and eighths on number lines Close
3.7.A · Grade 3
Halves, fourths, and eighths on number lines
represent fractions of halves, fourths, and eighths as distances from zero on a number line
Example
- Draw a line from 0 to 2 and ask them to mark one half, then three fourths, then seven eighths, measuring from zero each time.
- Point at five eighths on the line and ask how far that is from zero, not which tick it sits on.
Part of the fractions topic
Sorting what you collected into categories, drawing it, and getting it to answer a question.
also called charts, bar graphs
- Grade 1 1.1.D Communicate ideas, reasoning, implications Close
1.1.D · Grade 1
Communicate ideas, reasoning, implications
communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate
Example
- Ask them to show 7 + 6 two ways: as a drawing, and as a number sentence.
- Ask them to tell you in one sentence what a bar graph on a visitor-center wall is saying.
Part of the graphs and data topic
- Grade 1 1.8.A Collect, sort, organize up to three categories Close
1.8.A · Grade 1
Collect, sort, organize up to three categories
collect, sort, and organize data in up to three categories using models/representations such as tally marks or T-charts
Example
- On a drive, ask them to keep tally marks for three things: cars, trucks, and motorcycles.
- Ask them to set the T-chart up before the counting starts, with a heading written over each column.
Part of the graphs and data topic
- Grade 1 1.8.B Make picture and bar-type graphs from data Close
1.8.B · Grade 1
Make picture and bar-type graphs from data
use data to create picture and bar-type graphs
Example
- Turn the tally into a picture graph, one small drawing per vehicle.
- Ask them to redraw the same counts as bars, one square per vehicle.
Part of the graphs and data topic
- Grade 1 1.8.C Ask, answer, and conclude from graphs Close
1.8.C · Grade 1
Ask, answer, and conclude from graphs
draw conclusions and generate and answer questions using information from picture and bar-type graphs
Example
- Ask which bar is tallest, and how many more it holds than the shortest one.
- Ask them to make up a question their own graph can answer, then answer it.
Part of the graphs and data topic
- Grade 2 2.1.D Communicate math in multiple representations Close
2.1.D · Grade 2
Communicate math in multiple representations
communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate
Example
- Ask them to show 24 + 18 two ways: with a drawing, and with numbers.
- Ask them to explain a subtraction out loud, without pointing at the page.
Part of the graphs and data topic
- Grade 2 2.10.A Bars and pictures stand for data points Close
2.10.A · Grade 2
Bars and pictures stand for data points
explain that the length of a bar in a bar graph or the number of pictures in a pictograph represents the number of data points for a given category
Example
- Show a bar graph and ask what the height of one bar means.
Part of the graphs and data topic
- Grade 2 2.10.B Four categories in pictographs and bar graphs Close
2.10.B · Grade 2
Four categories in pictographs and bar graphs
organize a collection of data with up to four categories using pictographs and bar graphs with intervals of one or more
Example
- Ask them to count four kinds of vehicle at a rest stop, then build a bar graph with an interval of two.
Part of the graphs and data topic
- Grade 2 2.10.C Write and solve one-step graph problems
- Grade 2 2.10.D Draw conclusions and predictions from graphs Close
2.10.D · Grade 2
Draw conclusions and predictions from graphs
draw conclusions and make predictions from information in a graph
Example
- Ask what the graph suggests would happen if you counted again tomorrow, and why.
Part of the graphs and data topic
- Grade 3 3.1.D Communicate ideas in multiple representations Close
3.1.D · Grade 3
Communicate ideas in multiple representations
communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate
Example
- Ask them to show 6 x 7 two ways: with a drawing, and with a number sentence.
- Ask them to explain a division out loud, without pointing at the page.
Part of the graphs and data topic
- Grade 3 3.8.A Summarize data in tables and scaled graphs Close
3.8.A · Grade 3
Summarize data in tables and scaled graphs
summarize a data set with multiple categories using a frequency table, dot plot, pictograph, or bar graph with scaled intervals
Example
- Count four kinds of vehicle at a rest stop, then ask them to put the counts in a frequency table and a dot plot.
- Ask them to draw a bar graph of the same counts with each square standing for five.
Part of the graphs and data topic
- Grade 3 3.8.B Solve problems from categorical data displays Close
3.8.B · Grade 3
Solve problems from categorical data displays
solve one- and two-step problems using categorical data represented with a frequency table, dot plot, pictograph, or bar graph with scaled intervals
Example
- Show a pictograph where one symbol stands for 10 and ask how many more there are of one category than another.
- Off the same graph, ask a two-step question: how many in two categories together, then how many fewer that is than a third.
Part of the graphs and data topic
How long, how far, and how much space a shape covers — plus the idea that the unit you pick changes the number.
also called rulers, how long
- Grade 1 1.7.A Use tools to measure object length Close
1.7.A · Grade 1
Use tools to measure object length
use measuring tools to measure the length of objects to reinforce the continuous nature of linear measurement;
Example
- Hand over a tape measure and ask for the length of the picnic table, then the bench beside it.
- Watch whether they line the end of the object up with the zero on the tape rather than with the first number they see.
Part of the measurement topic
- Grade 1 1.7.B Length is same-size units, end to end Close
1.7.B · Grade 1
Length is same-size units, end to end
illustrate that the length of an object is the number of same-size units of length that, when laid end-to-end with no gaps or overlaps, reach from one end of the object to the other
Example
- Ask them to measure a book with color tiles laid end to end, and watch for gaps and overlaps.
- Slide one tile out of the middle of the finished row and ask what the measurement says now.
Part of the measurement topic
- Grade 1 1.7.C Measure with two unit sizes, explain why Close
1.7.C · Grade 1
Measure with two unit sizes, explain why
measure the same object/distance with units of two different lengths and describe how and why the measurements differ
Example
- Have them walk the length of a hallway in their own steps, then walk it in yours, and ask why the two counts came out different.
Part of the measurement topic
- Grade 1 1.7.D Describe length using number and whole unit Close
1.7.D · Grade 1
Describe length using number and whole unit
describe a length to the nearest whole unit using a number and a unit
Example
- After they measure a leaf, ask for the answer as a number and a unit, not a number on its own.
- When the end of the object lands between two marks, ask which whole one is nearer.
Part of the measurement topic
- Grade 2 2.9.A Find length with models of standard units Close
2.9.A · Grade 2
Find length with models of standard units
find the length of objects using concrete models for standard units of length
Example
- Ask them to measure the picnic table with inch tiles laid end to end, no gaps.
Part of the measurement topic
- Grade 2 2.9.B Bigger units, fewer units needed Close
2.9.B · Grade 2
Bigger units, fewer units needed
describe the inverse relationship between the size of the unit and the number of units needed to equal the length of an object
Example
- Measure the same table in paper clips and then in shoes, and ask why the bigger unit gave the smaller number.
Part of the measurement topic
- Grade 2 2.9.D Use measuring tools to the nearest mark Close
2.9.D · Grade 2
Use measuring tools to the nearest mark
determine the length of an object to the nearest marked unit using rulers, yardsticks, meter sticks, or measuring tapes
Example
- Hand over a ruler and ask for the length of a leaf to the nearest marked unit.
- Watch whether they line the object up with zero rather than with the end of the ruler.
Part of the measurement topic
- Grade 2 2.9.E Solve length problems, including estimates Close
2.9.E · Grade 2
Solve length problems, including estimates
determine a solution to a problem involving length, including estimating lengths
Example
- Ask them to guess the length of the trail sign before measuring, then measure it.
- Ask which of two trails is longer, and by roughly how much, without working it out exactly.
Part of the measurement topic
- Grade 2 2.9.F Find rectangle area with square unit models
- Grade 2 2.10.A Bars and pictures stand for data points
- Grade 3 3.7.B Find perimeter or a missing side length Close
3.7.B · Grade 3
Find perimeter or a missing side length
determine the perimeter of a polygon or a missing length when given perimeter and remaining side lengths in problems
Example
- Ask them to measure every side of the picnic table and say the distance all the way around.
- Say a four-sided figure has a perimeter of 30 inches and three sides of 9, 6, and 9 inches, and ask for the fourth side.
Part of the measurement topic
- Grade 3 3.7.D Decide when to measure volume or weight Close
3.7.D · Grade 3
Decide when to measure volume or weight
determine when it is appropriate to use measurements of liquid volume (capacity) or weight
Example
- Hold up a water jug and a bag of apples and ask which one you would weigh and which one you would measure by volume.
- Ask which of the two tells you more about what fits in a cooler, and why.
Part of the measurement topic
Naming coins and bills, counting a pile of them and writing what it comes to — and what you do with money once you have it.
also called coins, allowance
- Grade 1 1.4.A Identify coins by value, relate them Close
1.4.A · Grade 1
Identify coins by value, relate them
identify U.S. coins, including pennies, nickels, dimes, and quarters, by value and describe the relationships among them
Example
- Lay out a penny, a nickel, a dime, and a quarter, and ask them to name each one and say what it is worth.
- Ask how many pennies make a nickel, how many nickels make a dime, and how many nickels make a quarter.
Part of the money topic
- Grade 1 1.4.B Write coin values with the cent symbol
- Grade 1 1.9.A Money earned is income
- Grade 1 1.9.B Income buys goods, services; wants or needs Close
1.9.B · Grade 1
Income buys goods, services; wants or needs
identify income as a means of obtaining goods and services, oftentimes making choices between wants and needs
Example
- At a gas stop, ask which things on the shelf are wants and which are needs.
- Ask how the money someone earns turns into a loaf of bread and a haircut, and which of the two is a service.
Part of the money topic
- Grade 1 1.9.C Spending versus saving
- Grade 2 2.5.A Coin collection value up to one dollar Close
2.5.A · Grade 2
Coin collection value up to one dollar
determine the value of a collection of coins up to one dollar; and
Example
- Hand over three quarters, two dimes, and a nickel and ask for the total. It is one dollar.
- Lay out two quarters, a dime, and a nickel and ask what it comes to. It is 65 cents.
Part of the money topic
- Grade 2 2.5.B Name coin values with money symbols Close
2.5.B · Grade 2
Name coin values with money symbols
use the cent symbol, dollar sign, and the decimal point to name the value of a collection of coins.
Example
- Lay out three quarters, a dime, and two pennies, then ask them to write what it comes to two ways: with the cent sign, and with a dollar sign and a decimal point.
Part of the money topic
- Grade 2 2.11.A Calculate how savings grow over time
- Grade 2 2.11.B Saving instead of spending
- Grade 3 3.4.C Find the value of coins and bills Close
3.4.C · Grade 3
Find the value of coins and bills
determine the value of a collection of coins and bills
Example
- Hand over two dollar bills, three quarters, and four dimes and ask for the total.
- Empty the change out of the cup holder onto the seat and ask what it comes to.
Part of the money topic
- Grade 3 3.9.A Explain how human capital earns income Close
3.9.A · Grade 3
Explain how human capital earns income
explain the connection between human capital/labor and income
Example
- Ask what a ranger does all day and how that work turns into a paycheck.
- Ask what a person would learn or practice to get paid more for the same hours.
Part of the money topic
- Grade 3 3.9.C Identify costs and benefits of spending Close
3.9.C · Grade 3
Identify costs and benefits of spending
identify the costs and benefits of planned and unplanned spending decisions
Example
- After a gas-station stop, go down the receipt and ask which things were planned and which were not.
- Point at the unplanned one and ask what it was good for, and what you gave up to buy it.
Part of the money topic
- Grade 3 3.9.E List saving reasons and savings-plan benefits Close
3.9.E · Grade 3
List saving reasons and savings-plan benefits
list reasons to save and explain the benefit of a savings plan, including for college
Example
- Ask for three reasons to leave money in the jar instead of spending it, and whether college is one of them.
- Ask what saving $5 a week comes to by the end of a month, and what that pile is for.
Part of the money topic
- Grade 3 3.9.F Identify decisions about money and giving Close
3.9.F · Grade 3
Identify decisions about money and giving
identify decisions involving income, spending, saving, credit, and charitable giving
Example
- Read out five choices — taking a job, buying a snack, putting money in a jar, borrowing from you, dropping a coin in a donation box — and ask which is income, spending, saving, credit, and charitable giving.
- Hand over $10 of chore money and ask them to say what part is for spending, what part is for saving, and what part is for giving away.
Part of the money topic
Equal groups: first a thing you act out with objects, later facts to ten times ten and two-digit problems worked on paper.
also called times tables
- Grade 2 2.6.A Multiplication as joining equivalent sets Close
2.6.A · Grade 2
Multiplication as joining equivalent sets
model, create, and describe contextual multiplication situations in which equivalent sets of concrete objects are joined
Example
- Set out four cups with three stones in each and ask them to say what they see, then how many stones altogether.
Part of the multiplication and division topic
- Grade 2 2.6.B Division as separating into equivalent sets Close
2.6.B · Grade 2
Division as separating into equivalent sets
model, create, and describe contextual division situations in which a set of concrete objects is separated into equivalent sets
Example
- Hand over twelve stones and ask them to share the stones fairly among three people, then say how they did it.
Part of the multiplication and division topic
- Grade 3 3.4.E Represent multiplication facts several ways
- Grade 3 3.4.F Recall multiplication and division facts to 10 Close
3.4.F · Grade 3
Recall multiplication and division facts to 10
recall facts to multiply up to 10 by 10 with automaticity and recall the corresponding division facts
Example
- Ask 7 x 8 and 6 x 9 in the car with no paper. Listen for an answer in a couple of seconds, not a count.
- Right after 7 x 8, ask for 56 divided by 8.
Part of the multiplication and division topic
- Grade 3 3.4.G Multiply two-digit by one-digit numbers Close
3.4.G · Grade 3
Multiply two-digit by one-digit numbers
use strategies and algorithms, including the standard algorithm, to multiply a two-digit number by a one-digit number. Strategies may include mental math, partial products, and the commutative, associative, and distributive properties
Example
- Ask for 34 x 6, then ask them to do it a second way with partial products.
- Ask for 48 x 5 and listen for whether they break the 48 apart or go straight to the standard algorithm.
Part of the multiplication and division topic
- Grade 3 3.4.J Use multiplication to determine a quotient Close
3.4.J · Grade 3
Use multiplication to determine a quotient
determine a quotient using the relationship between multiplication and division
Example
- Ask for 63 divided by 9, then ask which multiplication fact they used to get there.
- Write 8 x ? = 48 and ask them to say the division fact that answers it.
Part of the multiplication and division topic
- Grade 3 3.4.K Solve division and multiplication within 100 Close
3.4.K · Grade 3
Solve division and multiplication within 100
solve one-step and two-step problems involving multiplication and division within 100 using strategies based on objects; pictorial models, including arrays, area models, and equal groups; properties of operations; or recall of facts
Example
- Nine campsites hold four tents each. Ask how many tents that is, then how many are still to go up if 30 are already standing.
- Ask how many packs of six water bottles it takes to fill a cooler that holds 42.
Part of the multiplication and division topic
- Grade 3 3.5.B Model and solve multiplication and division Close
3.5.B · Grade 3
Model and solve multiplication and division
represent and solve one- and two-step multiplication and division problems within 100 using arrays, strip diagrams, and equations
Example
- Tell a story about 5 rows of 8 camp chairs and ask them to draw the array and write the equation.
- Ask them to draw a strip diagram for 48 crackers split among 6 people before they say the answer.
Part of the multiplication and division topic
- Grade 3 3.5.C Describe multiplication as a comparison Close
3.5.C · Grade 3
Describe multiplication as a comparison
describe a multiplication expression as a comparison such as 3 x 24 represents 3 times as much as 24
Example
- Write 4 x 15 and ask them to say it out loud as a comparison, not as a total.
- Say one tent sleeps 3 people and the group is 5 times that, and ask for the expression.
Part of the multiplication and division topic
- Grade 3 3.5.D Find the unknown factor or product Close
3.5.D · Grade 3
Find the unknown factor or product
determine the unknown whole number in a multiplication or division equation relating three whole numbers when the unknown is either a missing factor or product
Example
- Write 6 x ? = 42 and ask for the missing number, then ask how they found it.
- Write 56 divided by 7 = ? and ask which multiplication fact gives the answer.
Part of the multiplication and division topic
- Grade 3 3.6.C Determine rectangle area using multiplication Close
3.6.C · Grade 3
Determine rectangle area using multiplication
determine the area of rectangles with whole number side lengths in problems using multiplication related to the number of rows times the number of unit squares in each row
Example
- Draw a rectangle five squares across and four squares down, ask for the area, and listen for a multiplication rather than a count.
- Ask how many square feet of tarp covers a floor 7 feet by 6 feet, and listen for whether the answer carries a unit.
Part of the multiplication and division topic
Where money comes from, the difference between spending and saving, and what borrowing costs.
- Grade 1 1.9.A Money earned is income
- Grade 1 1.9.B Income buys goods, services; wants or needs
- Grade 1 1.9.C Spending versus saving
- Grade 2 2.11.B Saving instead of spending
- Grade 2 2.11.D Examples of borrowing, responsible or not Close
2.11.D · Grade 2
Examples of borrowing, responsible or not
identify examples of borrowing and distinguish between responsible and irresponsible borrowing
Example
- Ask for an example of borrowing something, and what would make the borrowing irresponsible.
Part of the personal finance topic
- Grade 2 2.11.E Lending examples; weigh benefits and costs Close
2.11.E · Grade 2
Lending examples; weigh benefits and costs
identify examples of lending and use concepts of benefits and costs to evaluate lending decisions
Example
- Ask what a person lending a bike gives up, and what they get out of it.
Part of the personal finance topic
- Grade 3 3.9.A Explain how human capital earns income
- Grade 3 3.9.D Explain credit and repayment with interest Close
3.9.D · Grade 3
Explain credit and repayment with interest
explain that credit is used when wants or needs exceed the ability to pay and that it is the borrower's responsibility to pay it back to the lender, usually with interest
Example
- Ask why a person hands over a card when the thing they want costs more than the cash in their pocket, and who pays the store that day.
- Ask what a person owes back on a $20 loan, and why it comes to more than $20.
Part of the personal finance topic
- Grade 3 3.9.F Identify decisions about money and giving
Seeing a number as hundreds, tens and ones — which is what makes the bigger ones manageable.
- Grade 1 1.2.E Compare whole numbers to 120 in words Close
1.2.E · Grade 1
Compare whole numbers to 120 in words
use place value to compare whole numbers up to 120 using comparative language
Example
- Put 89 and 98 side by side and ask which is greater, and how the tens told them.
- Ask them to finish "45 is ___ 54" out loud rather than writing anything.
Part of the place value topic
- Grade 1 1.2.F Order whole numbers to 120 Close
1.2.F · Grade 1
Order whole numbers to 120
order whole numbers up to 120 using place value and open number lines
Example
- Write 31, 13, and 103 on three cards and ask them to lay them out smallest first.
- Draw a line with no marks on it at all and ask them to place 20, 65, and 90 along it in order.
Part of the place value topic
- Grade 2 2.2.B Numbers to 1,200: standard, word, expanded Close
2.2.B · Grade 2
Numbers to 1,200: standard, word, expanded
use standard, word, and expanded forms to represent numbers up to 1,200
Example
- Write 1,062 and ask them to say it and then write it as 1,000 + 60 + 2.
- Say "nine hundred four" and ask them to write the numeral. Watch for a four-digit answer.
Part of the place value topic
- Grade 2 2.2.D Compare and order numbers to 1,200 Close
2.2.D · Grade 2
Compare and order numbers to 1,200
use place value to compare and order whole numbers up to 1,200 using comparative language, numbers, and symbols (>, <, or =)
Example
- Put 1,110 and 1,101 side by side and ask which is greater, and how they know.
- Ask them to write the symbol between 476 and 467 rather than saying the word.
Part of the place value topic
- Grade 2 2.4.B Up to four two-digit addends, and subtraction
- Grade 2 2.4.C One- and multi-step word problems within 1,000
- Grade 2 2.7.B 10 or 100 more/less to 1,200 Close
2.7.B · Grade 2
10 or 100 more/less to 1,200
use an understanding of place value to determine the number that is 10 or 100 more or less than a given number up to 1,200
Example
- Say 1,140 and ask for 10 more, then 100 less.
- Say 995 and ask for 10 more. The crossing is the part worth watching.
Part of the place value topic
- Grade 3 3.2.A Compose and decompose numbers to 100,000 Close
3.2.A · Grade 3
Compose and decompose numbers to 100,000
compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate
Example
- Write 34,208 and ask how many ten thousands, thousands, hundreds, tens, and ones it holds, then ask them to write it as 30,000 + 4,000 + 200 + 8.
- Ask how many hundreds are in 4,300, then how many tens are in the same number.
Part of the place value topic
- Grade 3 3.2.B Describe place value to hundred thousands Close
3.2.B · Grade 3
Describe place value to hundred thousands
describe the mathematical relationships found in the base-10 place value system through the hundred thousands place
Example
- Point at the two 4s in 44,000 and ask what makes the left one worth ten times the other.
- Ask how many hundreds it takes to make one thousand, then how many thousands make one hundred thousand.
Part of the place value topic
- Grade 3 3.4.A Add and subtract fluently within 1,000
Word problems, and the habit underneath them: pick a tool, try it, and check whether the answer is sensible.
- Grade 1 1.1.B Analyze, plan, solve, justify, evaluate Close
1.1.B · Grade 1
Analyze, plan, solve, justify, evaluate
use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution
Example
- Read out a story problem and stop before any arithmetic. Ask what they already know and what the question is asking for.
- After an answer, ask how they know it is right, and whether that number makes sense for the story.
Part of the problem solving topic
- Grade 1 1.1.C Select tools and techniques for problems Close
1.1.C · Grade 1
Select tools and techniques for problems
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems
Example
- Put counters, paper, and a pencil on the table, ask for 8 + 5, and watch which one they reach for.
- Ask for 10 + 3 and see whether they still count objects out. Doing it in their head at this size is the thing worth noticing.
Part of the problem solving topic
- Grade 1 1.3.B Solve join, separate, compare problems to 20 Close
1.3.B · Grade 1
Solve join, separate, compare problems to 20
use objects and pictorial models to solve word problems involving joining, separating, and comparing sets within 20 and unknowns as any one of the terms in the problem such as 2 + 4 = [ ]; 3 + [ ] = 7; and 5 = [ ] - 3
Example
- Put 9 stones in one pile and 6 in another and ask how many altogether.
- They have 8 pinecones and want 14 — ask how many more, with the pinecones on the table to move.
- Say they ended with 5 pinecones after giving 3 away, pinecones on the table, and ask how many they started with.
Part of the problem solving topic
- Grade 1 1.3.E Explain add and subtract strategies to 20
- Grade 1 1.3.F Generate, solve stories for number sentences
- Grade 1 1.5.D Model addition and subtraction problems to 20
- Grade 2 2.1.B Use a problem-solving model Close
2.1.B · Grade 2
Use a problem-solving model
use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution
Example
- Give a problem with a number missing and ask what they would do first, before any arithmetic happens.
- After an answer, ask "does that seem about right?" and listen for a reason rather than a re-check.
Part of the problem solving topic
- Grade 2 2.1.C Select tools and techniques to solve problems Close
2.1.C · Grade 2
Select tools and techniques to solve problems
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems
Example
- Ask for 30 + 40 and watch whether they reach for paper. Reaching for it at this size is the thing worth noticing.
- Ask which is easier for 402 - 178, mental math or writing it down, and why.
Part of the problem solving topic
- Grade 2 2.4.C One- and multi-step word problems within 1,000
- Grade 2 2.4.D Write and solve problems from number sentences
- Grade 2 2.7.C Represent and solve problems with any unknown
- Grade 2 2.10.C Write and solve one-step graph problems
- Grade 3 3.1.B Use a problem-solving model Close
3.1.B · Grade 3
Use a problem-solving model
use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution
Example
- Give a two-step problem and ask what they would do first, before any arithmetic happens.
- After an answer, ask why it is reasonable. Listen for a reason rather than a re-check of the steps.
Part of the problem solving topic
- Grade 3 3.1.C Select tools and techniques for problems Close
3.1.C · Grade 3
Select tools and techniques for problems
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems
Example
- Ask for 5 x 60 and watch whether they reach for paper. Reaching for it at this size is the thing worth noticing.
- Ask which is easier for 47 x 6, mental math or writing it down, and why.
Part of the problem solving topic
- Grade 3 3.3.E Partition objects into fractional shares
- Grade 3 3.4.A Add and subtract fluently within 1,000
- Grade 3 3.4.K Solve division and multiplication within 100
- Grade 3 3.5.B Model and solve multiplication and division
- Grade 3 3.8.B Solve problems from categorical data displays
Naming shapes and solids by what they are made of, and putting them together and taking them apart.
- Grade 1 1.6.A Classify and sort 2D shapes by attributes Close
1.6.A · Grade 1
Classify and sort 2D shapes by attributes
classify and sort regular and irregular two-dimensional shapes based on attributes using informal geometric language
Example
- Cut out a dozen paper shapes, some neat and some lopsided, and ask them to sort the pile and say what each group has in common.
- Ask them to pull out every shape with three corners, crooked ones included.
Part of the shapes and geometry topic
- Grade 1 1.6.B Defining versus non-defining attributes Close
1.6.B · Grade 1
Defining versus non-defining attributes
distinguish between attributes that define a two-dimensional or three-dimensional figure and attributes that do not define the shape
Example
- Draw a large red triangle and a small blue one tipped onto its point, and ask what makes both of them triangles.
- Ask whether a square standing on a corner is still a square, and why the turning did not change it.
- Put a tall can and a short one side by side and ask what makes both of them cylinders.
Part of the shapes and geometry topic
- Grade 1 1.6.C Create two-dimensional figures Close
1.6.C · Grade 1
Create two-dimensional figures
create two-dimensional figures, including circles, triangles, rectangles, and squares, as special rectangles, rhombuses, and hexagons
Example
- Hand over a pencil and ask them to draw each one: a circle, a triangle, a rectangle, a square, a rhombus, and a hexagon.
- Ask them to build the same shapes out of straws, then ask what the circle would take instead.
Part of the shapes and geometry topic
- Grade 1 1.6.D Name 2D shapes and their attributes formally Close
1.6.D · Grade 1
Name 2D shapes and their attributes formally
identify two-dimensional shapes, including circles, triangles, rectangles, and squares, as special rectangles, rhombuses, and hexagons and describe their attributes using formal geometric language
Example
- Lay out a circle, a triangle, a rectangle, a square, a rhombus, and a hexagon, and ask them to name each and say how many sides and vertices it has.
- Ask what makes a square a special kind of rectangle.
Part of the shapes and geometry topic
- Grade 1 1.6.E Identify 3D solids and describe attributes Close
1.6.E · Grade 1
Identify 3D solids and describe attributes
identify three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes), and triangular prisms, and describe their attributes using formal geometric language
Example
- Put out a ball, a party hat, a soup can, a shoebox, a die, and a wedge-shaped box, and ask them to name each: sphere, cone, cylinder, rectangular prism, cube, triangular prism.
- Ask how many faces the shoebox has, then how many vertices.
Part of the shapes and geometry topic
- Grade 1 1.6.F Join figures into a target shape Close
1.6.F · Grade 1
Join figures into a target shape
compose two-dimensional shapes by joining two, three, or four figures to produce a target shape in more than one way if possible
Example
- Ask them to make a hexagon out of pattern blocks, then to make the same hexagon a different way.
- Ask for a rectangle built from four blocks, then for the same rectangle built from two.
Part of the shapes and geometry topic
- Grade 1 1.6.G Partition into two and four equal parts
- Grade 2 2.8.A Create 2D shapes from sides and vertices Close
2.8.A · Grade 2
Create 2D shapes from sides and vertices
create two-dimensional shapes based on given attributes, including number of sides and vertices
Example
- Ask them to draw a shape with five sides and five vertices.
Part of the shapes and geometry topic
- Grade 2 2.8.B Classify and sort 3D solids by attributes Close
2.8.B · Grade 2
Classify and sort 3D solids by attributes
classify and sort three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language
Example
- Put out two of each: soup cans, balls, party hats, shoeboxes, dice, and a wedge-shaped box. Ask them to sort the pile and name each group: cylinder, sphere, cone, rectangular prism, cube, triangular prism.
Part of the shapes and geometry topic
- Grade 2 2.8.C Sort and classify polygons to 12 sides Close
2.8.C · Grade 2
Sort and classify polygons to 12 sides
classify and sort polygons with 12 or fewer sides according to attributes, including identifying the number of sides and number of vertices
Example
- Draw several polygons, none with more than 12 sides, and ask them to group the ones with the same number of sides, then count the vertices in each group.
Part of the shapes and geometry topic
- Grade 2 2.8.D Compose shapes and solids from attributes Close
2.8.D · Grade 2
Compose shapes and solids from attributes
compose two-dimensional shapes and three-dimensional solids with given properties or attributes
Example
- Ask them to make a hexagon out of pattern blocks in two different ways.
Part of the shapes and geometry topic
- Grade 2 2.8.E Decompose 2D shapes and identify the parts Close
2.8.E · Grade 2
Decompose 2D shapes and identify the parts
decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the resulting geometric parts
Example
- Ask them to cut a square out of a rectangle and name both pieces that result.
- Ask them to divide a rectangle into two identical triangles.
Part of the shapes and geometry topic
- Grade 2 2.9.F Find rectangle area with square unit models
- Grade 3 3.6.A Classify and sort 2D and 3D figures Close
3.6.A · Grade 3
Classify and sort 2D and 3D figures
classify and sort two- and three-dimensional figures, including cones, cylinders, spheres, triangular and rectangular prisms, and cubes, based on attributes using formal geometric language
Example
- Put out a party hat, a soup can, a ball, a wedge-shaped block, a shoebox, and a die. Ask them to sort the pile and name each group: cone, cylinder, sphere, triangular prism, rectangular prism, cube.
- Draw a triangle, a square, a pentagon, and a hexagon, and ask them to sort those by number of sides and name each one.
- Ask what makes a cube a rectangular prism as well, using the words faces, edges, and vertices.
Part of the shapes and geometry topic
- Grade 3 3.6.B Recognize quadrilateral types and draw others Close
3.6.B · Grade 3
Recognize quadrilateral types and draw others
use attributes to recognize rhombuses, parallelograms, trapezoids, rectangles, and squares as examples of quadrilaterals and draw examples of quadrilaterals that do not belong to any of these subcategories
Example
- Draw a rhombus, a parallelogram, a trapezoid, a rectangle, and a square. Ask them to name each and say what makes all five quadrilaterals.
- Ask them to draw a four-sided figure that is none of those five, and explain why it still counts as a quadrilateral.
Part of the shapes and geometry topic
- Grade 3 3.6.C Determine rectangle area using multiplication
- Grade 3 3.6.D Find area by decomposing composite figures Close
3.6.D · Grade 3
Find area by decomposing composite figures
decompose composite figures formed by rectangles into non-overlapping rectangles to determine the area of the original figure using the additive property of area
Example
- Draw an L-shaped room, ask them to cut it into two rectangles with one line, find the area of each, then the whole.
- Ask whether the two rectangles overlap anywhere, and why that matters to the total.
Part of the shapes and geometry topic
- Grade 3 3.6.E Decompose figures into unit-fraction parts
Reading a clock, analog or digital — to the hour and half hour first, then to the minute.
also called clocks
- Grade 1 1.7.E Tell time to hour and half hour Close
1.7.E · Grade 1
Tell time to hour and half hour
tell time to the hour and half hour using analog and digital clocks
Example
- Point at an analog clock at 3:00 and ask for the time, then move the hands to 3:30 and ask again.
- Ask them to read those same two times off a digital clock, and to say what the 30 is counting.
Part of the telling time topic
- Grade 2 2.9.G Time to the minute, am or pm Close
2.9.G · Grade 2
Time to the minute, am or pm
read and write time to the nearest one-minute increment using analog and digital clocks and distinguish between a.m. and p.m
Example
- Point at an analog clock at 3:47 and ask for the time to the minute.
- Ask whether breakfast is a.m. or p.m., then ask which one 7:00 in the evening is.
Part of the telling time topic