Area is how many unit squares cover a flat shape. We count squares, then multiply the side lengths, and break big rectangles into smaller ones. Perimeter is the distance all the way around a shape.
16 blocks · 5 graded
17 blocks · 4 graded
15 blocks · 5 graded
18 blocks · 5 graded
14 blocks · 5 graded
10 blocks · 1 graded
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