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Practice problem

Grade 2 · 2.OA.B.2

Make ten

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Split ten

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Subtract with a strategy

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Add by making a ten

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Use a related fact

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Check an equation

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Find the missing part

Individual task

Practice problem

Grade 2 · 2.OA.B.2

Explain a strategy

Individual task

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