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Grade 2Addition & Subtraction

2.NBT.B.5

Add and subtract within 100 fluently.

Worksheets for this standard 5 topics

Practice & models 4
Add and Subtract on a Number Line (within 100) II5 ways
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Subtraction using Constant Gap Trick2 ways
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Missing-Digit Addition2 ways
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Missing-Digit Subtraction2 ways
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Games & labs 1
Number Pyramid (Within 100) II1 way
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The standard, officially

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Builds on
1.NBT.C.4Add within 100 1.NBT.C.5Add and subtract 10 mentally 1.NBT.C.6Subtract whole tens 2.OA.B.2Know addition facts from memory
Leads to
2.NBT.B.9Explain why a strategy works