Unit 1, Lesson 18, Grade 3 icon
Unit 1, Lesson 18

Explore the relationship between a fixed perimeter and different areas

North Carolina Department of Public Instruction 57 min(s)

Before beginning the lesson, have students count out 24 paperclips and clip them together into a loop to model the different fences in the story. If the book is not available, read the scenario below while students act out the changes in the fence with the paper clip loops. The children finally settle on a triangular coop that measures 8 feet on each side to fit under the apple tree near the house. Read the story aloud, stopping to allow the students to model the fence each time it changes using the paper clip loop and for the teacher to record the dimensions and perimeter.

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