Examine ratio and scale through coordinate geometry. Scholars use two diagrams of different scale to calculate perimeter and area. Then, individuals use the perimeters and areas to find ratios.

Concepts

perimeter, area, ratios

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Additional Tags

math

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Instructional Ideas

• Incorporate as an extension for higher performing pupils
• Use as a performance task with collaborative groups

Classroom Considerations

• Learners should understand ratio, scale, and how to calculate area and perimeter of irregular figures

Pros

• Opens as a Word document, which allows teachers to edit based on classroom needs
• Uses irregular figures that require pupils to practice different geometric concepts

Cons

• None

Common Core

6.RP.A.3.a