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Mrs McDonald

Student Instructions

Subtraction using Chunking: two-digit

Answer the following number sentences using one of the chunking strategies. E.g. 57-24 50-20=30 7-4=3 30+3=33 Or 57-24 57-20=37 37-4=33 Tap on the and then select the so you can draw and explain your understanding as you go through the steps.

3rd Grade, 5th Grade, 4th Grade, Math
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Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

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