Summary
Math Antics shows how to find perimeter, the distance around a shape. A clear, animated 7-minute lesson you can drop straight into a grades 3-4 math block -- pause-friendly, with worked examples on screen.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
A few questions to talk through after watching “Perimeter.”
- What does perimeter measure?
- How do you find the perimeter of a rectangle?
- Why do the units stay the same as the side lengths?
Quick work-a-long
Vocabulary: perimeter, side, distance, add, unit.
Try it: Find the perimeter of a rectangle that is 5 cm by 3 cm.