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Practice problem

Grade 1 · 1.NBT.B.2

Build a two-digit number

Individual task

Practice problem

Grade 1 · 1.NBT.B.2

Read the model

Individual task

Practice problem

Grade 1 · 1.NBT.B.2

Missing one

Individual task

Practice problem

Grade 1 · 1.NBT.B.2

Tens or ones?

Individual task

Practice problem

Grade 1 · 1.NBT.B.2

Build 20

Individual task

Practice problem

Grade 1 · 1.NBT.B.2

Number riddle

Individual task

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