- CCSS Gr. 3 Area and Perimeter
- Intro to Area Using Unit Squares
- Area Using Unit Squares
- Area with Unit Square and Diagonals
- Discover the Area of a Rectangle
- Multiplication as Rectangle
- Area as Additive (A)
- Area as Additive (B)
- Area as Additive (C)
- Area and the Distributive Property
- Area and Distributive Property (B)
- Area and Distributive Property (C)
- Area and Perimeter of Quadrilaterals
- Area and Perimeter of a Triangle
- Perimeter Puzzles
- Perimeter Puzzle (B)
- Fencing Problem
- Missing Sides Problems
- Missing Sides Problems (B)
- Discover the Area of a Triangle
- Perimeter - Area Challenges
- Area Challenges
- Area Puzzle
- Area Puzzle (B)
- Maximize the Area Puzzle