Ever wondered how many pieces of paper a binder clip can hold? Viewers of a short video are about to find out! Given measurement data for three different sized binder clips, learners must develop a method for figuring out how many pieces of paper each one holds. A typical solution method would involve ratios and proportions.

Concepts

proportions, ratios, length, height, measurement

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Additional Tags

math

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Instructional Ideas

• Instead of using the pictures, ask your classes to take their own measurements for each clip; compare measurements as a class
• Test each group's answers with stacks of paper

Classroom Considerations

• Review ratios and proportions prior to the lesson

Pros

• Offers additional questions to use as an extension for the whole class or for early finishers
• Provides a simple application of ratios and proportions in the real world

Cons

• None

Common Core

2.MD.A.1 2.MD.A.3 3.NF.A.2.a 3.NF.A.3.a 4.NF.A.2 6.RP.A.3.a MP1 MP5