Worksheets and Whiteboard Resources for Elementary Math
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Math Common Core Standards K 5 Grade 3 Number and Operations in Base Ten

Grade 3 (3.NBT.A.1) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 7 - 8

Flight of the Frisbee

MEETS 3.NBT.A.1: Use place value understanding to round whole numbers to the nearest 10 or 100.

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Grade 3 (3.NBT.A.1) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 8 - 10

Party Bag Rounding

SUPPORTS 3.NBT.A.1: Use place value understanding to round whole numbers to the nearest 10 or 100.

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Grade 3 (3.NBT.A.1) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 8 - 10

Round to a Friend's

SUPPORTS 3.NBT.A.1: Use place value understanding to round whole numbers to the nearest 10 or 100.

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Grade 3 (3.NBT.A.2) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 7 - 8

Apple Picking

SUPPORTS 3.NBT.A.2: Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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Grade 3 (3.NBT.A.2) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 8 - 9

Formal Subtraction

EXTENDS 3.NBT.A.2: Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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Grade 3 (3.NBT.A.2) Use place value understanding and properties of operations to perform multi-digit arithmetic.
Ages 9 - 11

Missing Number Sums

SUPPORTS 3.NBT.A.2: Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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