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Recommended for: Grades 3-6

Resource: How Many Jelly Beans?

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Media Type:
QuickTime Video

Length: 0m 37s
Size: 1.7 MB

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.

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Transcript (Rich Text Format Document)

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Teachers' Domain, How Many Jelly Beans? , published August 25, 2008, retrieved on ,
http://www.teachersdomain.org/resource/vtl07.math.number.ope.jellybeans/

Frame and Focus
Follow Up
Connections
Standards

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Here are some Frame, Focus and Follow-up suggestions for using this video in a math lesson.

What is Frame, Focus and Follow-up?

Frame: What is an estimate? Is it just a guess? If you had to estimate how many golf balls were in a bucket, how would you go about doing it? Would multiplication or addition help in any way?

Focus: While watching this segment, notice how Inez goes about estimating how many jelly beans are in the jar. Write down her thought process in steps, and write an equation to go with each step of her problem solving. Also notice how the shape of the jar helps her to make an estimate.