Recording of Mysterious Subtraction with Joshua Zucker

This is a recording of a live-streamed event that took place on Tuesday, May 4, 2021.

Appropriate for ages 10 and up.

Can we always get to zero by subtracting again and again?  How does the resulting pattern depend on our starting numbers?  Join Joshua Zucker, one of MoMath's most popular math presenters, as we try some common problem-solving strategies like working backwards — and then find ways to work around situations that aren't "workbackwardable."

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