Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

3.NBT.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.

3 digit + 1 digit with regrouping

3 Digit + 1 Digit with regrouping

Practice Now i
3 digit + 2 digit

3 Digit + 2 Digit

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3 digit + 2 digit with regrouping

3 Digit + 2 Digit with regrouping

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3 digit + 3 digit

3 Digit + 3 Digit

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3 digit + 3 digit with regrouping

3 Digit + 3 Digit with regrouping

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3 digit - 1 digit with regrouping

3 Digit - 1 Digit with regrouping

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3 digit - 2 digit

3 Digit - 2 Digit

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3 digit - 2 digit with regrouping

3 Digit - 2 Digit with regrouping

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3 digit - 3 digit

3 Digit - 3 Digit

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3 digit - 3 digit with regrouping

3 Digit - 3 Digit with regrouping

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Subtract across zeroes

Subtract Across Zeroes

Practice Now i