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Special lesson
Perimeter and area lab
Walk the edge and count the squares to tell perimeter from area
What this lesson teaches
- Send an ant round a closed shape to meet perimeter
- Stretch a rectangle: perimeter = (length + width) × 2, area = length × width
- Lay 4 squares: the same area, not always the same perimeter
- Fence a garden with 12 m: the same perimeter, not always the same area
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