Knowledge_On-The-Go_Grade-3Grade 3 Module 7 Lessons 9-10

What is perimeter? In this lesson, Ms. Roose decomposes quadrilaterals to explore that perimeter is the boundary of a shape. For this lesson, you will need a square with side lengths of 2 inches, scissors, tape, crayons, markers, a string, and a paper with pencil. If you have access to a workbook, or a printer, we also suggest using the Problem Set available using the link below the video.





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