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Recommended for: Grades 4-7

Resource: Making Popcorn Balls

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Media Type:
QuickTime Video

Length: 3m 26s
Size: 9.3 MB

In this video segment from Cyberchase, Bianca and Tracy are making popcorn balls for Tracy’s school picnic. They have to make enough for 40 kids. On their first try they find they have made way too much popcorn and not enough of the butter and marshmallow mixture. They realize they must adjust the recipe to make sure they have the right amount of each ingredient.

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Transcript (Rich Text Format Document)

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Teachers' Domain, Making Popcorn Balls, published October 8, 2008, retrieved on ,
http://www.teachersdomain.org/resource/vtl07.math.number.ope.popcornbal/

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: If you found a recipe in a cookbook for fried chicken, and it said that you needed 2 pounds of chicken to serve 4 people, what would you do if you wanted to serve 40 people at a picnic? How would you adjust the recipe? How much chicken would you need?

Focus: In this video segment, watch to see how Bianca makes the adjustment to the recipe once she has made too much popcorn. Note how she uses multiplication to adjust the amount of each ingredient needed.