Sunday, October 12, 2014

The Case of the Missing Sides!

Students transform into Perimeter Detectives as they try to solve The Case of the Missing Sides! After they figure out the unknown side lengths of 10 real world irregular polygons, they must infer what they are part of! - Click here to download!

Introduction (Fence for the Vegetable Garden)
Students compare and contrast regular and irregular polygons. They are introduced to the term perimeter by relating it to a garden fence. Then, they rap along with Heath: Rap video by Heath!

Perimeter Detective
Next, they investigate real world irregular polygon photographs. They must find the length of the missing side for 10 items! Then, they use their detective skills and infer what the objects are part of! Tell your students to think creatively! Note: Older students could convert side length measurements. - Conversion Chart included in the package! Exit SlipFor reinforcement, students apply their new skills independently by figuring out the missing side lengths of five irregular polygons. Then, they rate their understanding by drawing a checkmark in the box that fits their current knowledge of the content.

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