lesson
Understanding Perimeter as the Distance Around a Boundary
Define perimeter conceptually as the total linear distance around the outer boundary of a 2D shape.

Define perimeter conceptually as the total linear distance around the outer boundary of a 2D shape.
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Kindergarten ยท Math ยท Curriculum for Excellence
9 lessons
Understand linear perimeter and surface area concepts, apply standard formulas to squares and rectangles, and determine missing side lengths.