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Practice problem

Grade 2 · 2.NBT.B.7

Add hundreds

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Subtract hundreds

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Add 100

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Subtract 10

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Cross zero regrouping

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Rename across zero

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Estimate a sum

Individual task

Practice problem

Grade 2 · 2.NBT.B.7

Find the missing addend

Individual task

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