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It's a game changer.
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Summary
Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!
- We begin with the simplest, one-step case. Multiply by a number, then divide by the same number, and you return to where you started. But then, we try a two-step version, such as: 10 × 6 ÷ 3 ÷ 2 = 10.
- Now we look at cases where we divide *three* times to undo multiplication.
- Finally, students have a chance to continue practicing this idea [with a web app](https://byrdseed.tv/extras/undo-multiplication).
