Worksheets and Whiteboard Resources for Elementary Math
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Math Topics K 5 Operations

Grade 1 (1.NBT.C.4) Use place value understanding and properties of operations to add and subtract.
Ages 7 - 8

Stock Car Sums

SUPPORTS 1.NBT.C.4: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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Grade 1 (1.NBT.C.4) Use place value understanding and properties of operations to add and subtract.
Ages 7 - 8

Stock Car Sums

SUPPORTS 1.NBT.C.4: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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Grade 1 (1.NBT.C.6) Use place value understanding and properties of operations to add and subtract.

10 More or 10 Less

SUPPORTS 1.NBT.C.6: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

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Grade 1 (1.NBT.C.6) Use place value understanding and properties of operations to add and subtract.

10 More or 10 Less

SUPPORTS 1.NBT.C.6: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

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Grade 1 (1.OA.A.1) Represent and solve problems involving addition and subtraction
Ages 6 - 7

Number Sentences

MEETS 1.OA.A.1: Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

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Grade 1 (1.OA.A.1) Represent and solve problems involving addition and subtraction
Ages 6 - 7

Number Sentences

MEETS 1.OA.A.1: Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

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Grade 1 (1.OA.A.1) Represent and solve problems involving addition and subtraction
Ages 6 - 7

Counting On

SUPPORTS 1.OA.A.1: Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

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Grade 1 (1.OA.A.2) Represent and solve problems involving addition and subtraction.
Ages 7 - 8

Wet Sponge Sums

MEETS 1.OA.A.2: Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

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Grade 1 (1.OA.B.4) Understand and apply properties of operations and the relationship between addition and subtraction
Ages 6 - 7

Shape Algebra

SUPPORTS 1.OA.B.4: Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.

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Grade 1 (1.OA.B.4) Understand and apply properties of operations and the relationship between addition and subtraction
Ages 6 - 7

Shape Algebra

SUPPORTS 1.OA.B.4: Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.

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