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The area of a 2D shape refers to the amount of space it takes up.
The area of a shape is measured in square units, usually cm² or m²
In this activity, you will be asked to calculate and compare the area of rectangles.
These will ether be cm² or m² (not to scale)
Let's go!
Let's find the area of the shape below.
Each square is 1 cm² (not to scale)
To find the area we multiply the length (l) by the width (w).
The length is 4 cm and the width is 7 cm.
4 x 7 = 28 (l x w)
The unit of measure is cm², so the area is written as 28 cm²
Now let's compare some areas.
Which shape has the greatest area?
Each square is 1 cm² (not to scale)
Remember that we multiply the length by the width.
Yellow = 7 x 6 = 42 cm²
Blue = 11 x 4 = 44 cm²
The blue rectangle has the greatest area.
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Do you feel ready to tackle some questions now?
