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Kim Smith

Student Instructions

How do you subtract within 20?

1. Click the add 2. Choose a strategy to solve the problem 17 - 8. 3. Use the drawing pen tools to show how you solved your problem. 4. mic Record yourself explaining the strategy you chose. You must use at least 3 vocabulary words in your explanation. *equation / number sentence *difference *subtract / minus / equals *take away *number line *make a 10 *hundreds grid *quick pictures *count back *related facts (fact families) 5. check To submit your work.

2nd Grade, Math
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Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

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