Main content
3rd grade
Unit 11: Lesson 1
Perimeter- Perimeter: introduction
- Perimeter of a shape
- Find perimeter by counting unit squares
- Find perimeter by counting units
- Finding perimeter when a side length is missing
- Find perimeter when given side lengths
- Finding missing side length when given perimeter
- Perimeter review
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice