This Rounding and Subtracting activity & project also includes:
- Answer Key
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Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and subtract. They will have to think outside the box and reason versus solve. The answer key provides two detailed solutions with commentary that can be used for support with the lesson.
- Great thinking questions
- Multiple ways to solve