You won't want to flush a great lesson down the drain! An intriguing resource asks learners to predict the number of sheets of toilet paper on a roll. Presented with the dimensions of the roll and one sheet of paper, scholars make predictions before learning the solution.

Concepts

area of rectangles, surface area, surface area of cylinders, diameter, composite figures

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Additional Tags

math

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Instructional Ideas

• Bring a roll of toilet paper to recreate the activity in your classroom; allow pupils to make their own measurements
• Incorporate the sequel activity as an extension for advanced learners

Classroom Considerations

• Expects a solid understanding of three-dimensional measurements

Pros

• Encourages learners to use higher order thinking skills
• Provides all information necessary for solving the problem

Cons

Common Core

HSG-GMD.A.1