In this video segment from *Cyberchase,* Inez is baking 50 cookies for her class and each cookie has to have four jelly beans on top. Inez has a jar full of jelly beans. She knows she needs at least 200 jelly beans, but rather than count all of the jellybeans, she decides to estimate to see if she has enough.

Learn more about *Cyberchase.*

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