It's all about the portion size! Given a photo of a pumpkin pie, learners work to determine the number of calories that are missing. Supplemental information provides the angle of the piece that is missing as well as the nutritional information.

Concepts

sectors, circles, area of circles, angles

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Additional Tags

math

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Instructional Ideas

• Have pupils bring in food of different shapes and repeat the lesson with different fractions
• Offer as an enrichment activity at the conclusion of a unit

Classroom Considerations

• Requires the ability to read a protractor and make calculations with fractions

Pros

• Provides information to help pupils find an answer using multiple methods
• Offers an option for extension

Cons

• None

Common Core

4.MD.C.5.a 4.MD.C.6 6.RP.A.3.c 7.RP.A.1 7.RP.A.3