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Area of Rectangles — Tile and Multiply

Count the unit squares to find the area. Then multiply the side lengths. Check that both give the same answer.

Example4 m5 m
Count the unit squares: 20 square m
Multiply the side lengths: 4 × 5 = 20 square m
Counting and multiplying give the same area.
  1. 1.2 m2 m
    Count the unit squares: square m
    Multiply the side lengths: × = square m
  2. 2.6 m6 m
    Count the unit squares: square m
    Multiply the side lengths: × = square m
  3. 3.4 m4 m
    Count the unit squares: square m
    Multiply the side lengths: × = square m
  4. 4.3 m4 m
    Count the unit squares: square m
    Multiply the side lengths: × = square m
  5. 5.7 m4 m
    Count the unit squares: square m
    Multiply the side lengths: × = square m