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Create customized activity sheets for your classroom.
Web Interactive
Grades: High School, 6th to 8th, 3rd to 5th, PreK to 2nd, 9th to 12th, Pre K to 2nd
Functions
Geometry
The Number System
Num & Ops Fractions
Measurement & Data
Use functions to model relationships between quantities.
Solve real-world and mathematical problems involving area, surface area, and volume.
Apply and extend previous understandings of numbers to the system of rational numbers.
Graph points on the coordinate plane to solve real-world and mathematical problems.
Develop understanding of fractions as numbers.
Relate addition and subtraction to length.
Analyze, compare, create, and compose shapes.
Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).
K.G.A.2, K.G.B.4, 2.MD.B.6, 3.NF.A.2a, 3.NF.A.2b, 5.G.A.1, 6.NS.C.6c, 6.NS.C.7a, 6.G.A.4, 8.F.B.5, HSF-LE.A.1b
Find equivalent numerical expressions using a balance scale.
Web Interactive
Algebraic Thinking
Write and interpret numerical expressions.
5.OA.A.1, 5.OA.A.2
Practice counting and adding by 10s.
Web Interactive
Grades: PreK to 2nd, Pre K to 2nd
Algebraic Thinking
Number & Operations
Counting & Cardinality
Use place value understanding and properties of operations to add and subtract.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
Count to tell the number of objects.
Know number names and the count sequence.
K.CC.A.2, K.CC.B.4a, K.CC.B.4b, K.CC.B.4c, K.CC.B.5, K.OA.A.1, K.OA.A.2, K.OA.A.5, 1.OA.B.4, 1.OA.C.6, 1.NBT.C.4, 2.OA.B.2
Examine various two-dimensional figures to determine which ones can be folded into a cube.
Web Interactive
Grades: 6th to 8th, 3rd to 5th
Geometry
Solve real-world and mathematical problems involving area, surface area, and volume.
6.G.A.4
Determine the volume of a box by filling it with cubes, rows of cubes, or layers of cubes. Determine the surface area as well by using the box's net.
Web Interactive
Measurement & Data
Geometric measurement: understand concepts of volume and relate volume to multiplication and to addition.
5.MD.C.3a, 5.MD.C.3b, 5.MD.C.4, 5.MD.C.5a, 5.MD.C.5b
Plot a set of data and determine a line of best fit.
Web Interactive
Grades: High School, 6th to 8th, 9th to 12th
Stats & Probability
Interpreting Categorical and Quantitative Data
Investigate patterns of association in bivariate data.
8.SP.A.1, 8.SP.A.2, 8.SP.A.3, HSS-ID.B.6a, HSS-ID.B.6b, HSS-ID.B.6c, HSS-ID.C.7, HSS-ID.C.8

Become proficient with numbers and operations by guiding Okta the octopus through a mathematical maze.

Web Interactive
Grades: 3rd to 5th, 6th to 8th, PreK to 2nd, Pre K to 2nd
Num & Ops Fractions
The Number System
Num & Ops Base Ten
Expression/Equation
Algebraic Thinking
Number & Operations
Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Use equivalent fractions as a strategy to add and subtract fractions.
Compute fluently with multi-digit numbers and find common factors and multiples.
Apply and extend previous understandings of multiplication and division to divide fractions by fractions.
Perform operations with multi-digit whole numbers and with decimals to hundredths.
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
Multiply and divide within 100.
Use place value understanding and properties of operations to add and subtract.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
K.OA.A.5, 1.OA.B.4, 1.OA.C.6, 1.NBT.C.4, 2.OA.B.2, 2.NBT.B.5, 2.NBT.B.6, 2.NBT.B.7, 2.NBT.B.9, 3.OA.C.7, 3.NBT.A.2, 4.NBT.B.4, 4.NBT.B.5, 5.NF.B.4a, 5.NF.B.4b, 7.NS.A.3, 7.EE.B.3, 4.NBT.B.6, 4.NF.B.3a, 4.NF.B.3d, 5.NBT.B.7, 6.NS.A.1, 6.NS.B.3, 7.NS.A.2a, 5.NF.A.1, 7.NS.A.2c, 5.NF.B.6

Explore relationships among fractions while playing an interactive game.

Web Interactive
Grades: 3rd to 5th, 6th to 8th
Num & Ops Fractions
Geometry
Expression/Equation
The Number System
Use equivalent fractions as a strategy to add and subtract fractions.
Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Extend understanding of fraction equivalence and ordering.
Reason with shapes and their attributes.
Develop understanding of fractions as numbers.
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Apply and extend previous understandings of numbers to the system of rational numbers.
6.NS.C.6c, 7.NS.A.1b, 7.NS.A.1d, 7.NS.A.3, 7.EE.B.3, 4.NF.B.3a, 4.NF.B.3d, 3.NF.A.1, 3.NF.A.2a, 3.NF.A.2b, 3.NF.A.3a, 3.NF.A.3b, 3.NF.A.3c, 3.G.A.2, 4.NF.A.1, 4.NF.B.4a, 5.NF.B.3, 5.NF.A.1
Create a custom spinner to examine experimental and theoretical outcomes.
Web Interactive
Grades: 9th to 12th, High School, 6th to 8th, 3rd to 5th, PreK to 2nd
Stats & Probability
Making Inferences and Justifying Conclusions
Investigate chance processes and develop, use, and evaluate probability models.
7.SP.C.5, 7.SP.C.6, 7.SP.C.7b, 7.SP.C.8c, HSS-IC.A.2

Count and subitize by playing a game.

This activity is available for your phone in the Android Market or Apple App Store.

Web Interactive
Measurement & Data
Counting & Cardinality
Relate addition and subtraction to length.
Count to tell the number of objects.
Know number names and the count sequence.
K.CC.A.2, K.CC.B.4a, K.CC.B.4b, K.CC.B.4c, K.CC.B.5, 2.MD.B.6
Explore relationships among the weights of various objects by placing them on either side of a balance.
Web Interactive
Grades: 3rd to 5th, 6th to 8th
Expression/Equation
Apply and extend previous understandings of arithmetic to algebraic expressions.
6.EE.A.3

By yourself or against a friend, match whole numbers, shapes, fractions, or multiplication facts to equivalent representations. Practice with the clear panes or step up the challenge with the windows closed.

This activity is now available for your phone or tablet in Google Play or App Store.

Web Interactive
Grades: 3rd to 5th, Pre K to 2nd, PreK to 2nd
Num & Ops Fractions
Measurement & Data
Geometry
Algebraic Thinking
Num & Ops Base Ten
Number & Operations
Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
Reason with shapes and their attributes.
Work with equal groups of objects to gain foundations for multiplication.
Classify two-dimensional figures into categories based on their properties.
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Generalize place value understanding for multi-digit whole numbers.
Develop understanding of fractions as numbers.
Multiply and divide within 100.
Understand place value.
Analyze, compare, create, and compose shapes.
Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).
K.G.A.2, K.G.B.4, 2.NBT.A.3, 2.G.A.1, 3.OA.C.7, 3.NF.A.1, 3.NF.A.3c, 3.G.A.2, 4.NBT.A.2, 4.NBT.B.5, 4.NF.B.4a, 5.G.B.3, 5.G.B.4, 1.G.A.3, 2.OA.C.4, 2.G.A.2, 2.G.A.3, 3.MD.C.7b, 5.NF.B.3
Explore several different representations for fractions.
Web Interactive
Grades: 6th to 8th, 3rd to 5th
The Number System
Num & Ops Fractions
Geometry
Expression/Equation
Ratio & Proportion
Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
Reason with shapes and their attributes.
Develop understanding of fractions as numbers.
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
Apply and extend previous understandings of numbers to the system of rational numbers.
Understand ratio concepts and use ratio reasoning to solve problems.
6.RP.A.3c, 6.NS.C.6c, 7.EE.B.3, 3.NF.A.1, 3.NF.A.2a, 3.NF.A.2b, 3.NF.A.3c, 3.G.A.2, 4.NF.B.4a, 5.NF.B.3, 7.NS.A.2d
Learn how to count, collect, exchange, and make change for coins. An optional array representation will help you count as you learn the value of each coin.
Web Interactive
Grades: 3rd to 5th, PreK to 2nd
Investigate the concept of equivalence by "weighing" numeric and algebraic expressions.
Web Interactive
Grades: 9th to 12th, 6th to 8th, 3rd to 5th, High School
Algebra
Expression/Equation
Algebraic Thinking
Functions
Reasoning with Equations and Inequalities
Analyze and solve linear equations and pairs of simultaneous linear equations.
Reason about and solve one-variable equations and inequalities.
Represent and solve problems involving multiplication and division.
Building Functions
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
6.EE.B.7, 7.EE.B.4a, HSA-REI.A.1, HSF-BF.B.4a, 3.OA.A.4, 6.EE.B.5, 8.EE.C.7a, 8.EE.C.7b, HSA-REI.B.3
Count, add, and subtract by grouping cows.
Web Interactive
Grades: Pre K to 2nd, PreK to 2nd
Number & Operations
Algebraic Thinking
Counting & Cardinality
Understand place value.
Use place value understanding and properties of operations to add and subtract.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
Count to tell the number of objects.
Know number names and the count sequence.
K.CC.A.1, K.CC.B.4a, K.CC.B.4b, K.CC.B.5, K.OA.A.1, K.OA.A.2, K.OA.A.5, 1.OA.B.4, 1.OA.C.6, 1.NBT.C.4, 2.OA.B.2, 2.NBT.B.7, 2.NBT.A.2
Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions.
Grades: 9th to 12th, High School
Functions
Trigonometric Functions
Interpreting Functions
HSF-IF.C.7e, HSF-TF.B.5
Practice counting and adding by 5s.
Web Interactive
Grades: PreK to 2nd, Pre K to 2nd
Algebraic Thinking
Number & Operations
Counting & Cardinality
Use place value understanding and properties of operations to add and subtract.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
Count to tell the number of objects.
Know number names and the count sequence.
K.CC.A.2, K.CC.B.4a, K.CC.B.4b, K.CC.B.4c, K.CC.B.5, K.OA.A.1, K.OA.A.2, K.OA.A.5, 1.OA.B.4, 1.OA.C.6, 1.NBT.C.4, 2.OA.B.2
Divide numbers into two factors, and build arrays to represent each factorization.
Web Interactive
Grades: 3rd to 5th, 6th to 8th
Measurement & Data
Num & Ops Base Ten
Algebraic Thinking
Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Gain familiarity with factors and multiples.
4.OA.B.4, 4.NBT.B.5, 3.MD.C.7b
Exercise your factor and multiples skills.
Web Interactive
Grades: 6th to 8th, 3rd to 5th
Algebraic Thinking
Gain familiarity with factors and multiples.
4.OA.B.4
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