Picture your pupils using this assessment task. Class members must first determine the measurements of smaller copies of photographs placed next to the original. They then determine the dimensions of the entire sheet of photographs.

Concepts

dilations, scale factors, scale drawings

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Additional Tags

math

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Instructional Ideas

• Use the task as part of a unit assessment
• Provide actual photographs for struggling learners

Classroom Considerations

• Learners need to be able to determine scale factors for scale drawings

Pros

• Includes a rubric for easier scoring
• Contains examples of scored student work

Cons

• Footer information is incorrect

Common Core

7.G.A.1 MP2 MP3 MP6 MP7