Party planners need algebra too! Here, pupils decide the perfect size of a cake based on available ingredients. They use the concepts of area and perimeter to make their conclusions.

Concepts

area, area formulas, perimeter, perimeter of rectangles, area of rectangles

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Additional Tags

math

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Instructional Ideas

• Form collaborative groups and use as a performance task assessment
• Create a set of similar problems and have groups present their answers

Classroom Considerations

• Requires an understanding of area and perimeter

Pros

• Resource downloads as an editable document
• Questions encourage decision-making with multiple correct answers possible
• Provides reasonable real-life context to the concepts of perimeter and area 

Cons

• None

Common Core

7.G.B.6