About this lesson
About Perimeter
Perimeter is an interactive Grade 3 mathematics lesson on Scholi. Trace the edge of shapes. Find missing sides.
What this lesson covers
- Perimeter Formula
- Missing Side Lengths
- Polygon Outlines
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Common questions
What does Perimeter cover in Grade 3?
Perimeter covers Perimeter Formula, Missing Side Lengths and Polygon Outlines. It is an interactive Grade 3 mathematics lesson: you explore each idea with a visualizer, check the rules on a cheat sheet, and answer practice questions that are marked as you go.