Subtracting Numbers with Regrouping Using Models

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Exploration

GR. 4-5

Skill:

Subtract 2- and 3-digit numbers with and without models for number and word problems that require regrouping.

Subtracting Numbers with Regrouping Using Models

Visualize subtraction using virtual base ten blocks.

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

Tara says to subtract , we need to compute first. Do you agree or disagree? Explain your answer.

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Open-ended question 2

What strategies can you think of to solve ?

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