Explore relationships between perimeter and area. Learners compare the measurement units of gligs and crocs. They use a given perimeter and area as well as specific measurement relationships to determine the scale of gligs to crocs.

Concepts

area of rectangles, perimeter of rectangles, measurement, ratios

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Additional Tags

math

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Instructional Ideas

• Form collaborative groups to encourage discussion
• For lower-level pupils, provide cues for each step of the process

Classroom Considerations

• Your classes should have experience with perimeter, area, and ratio reasoning

Pros

• Presents a contextual situation to examine measurements and ratios
• Includes an answer key and rubric to assist in planning and scoring

Cons

• None

Common Core

6.RP.A.3.a