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The area of the shape is 18cm 2. To find out how much shape is inside we can count the squares. The area of a shape is the amount of space inside it.

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Presentation on theme: "The area of the shape is 18cm 2. To find out how much shape is inside we can count the squares. The area of a shape is the amount of space inside it."— Presentation transcript:

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2 The area of the shape is 18cm 2. To find out how much shape is inside we can count the squares. The area of a shape is the amount of space inside it.

3 The area of the shape is 48cm 2. The rectangle is made of 6 rows of 8 squares. To work out the number of squares we times 6 by 8. Counting each square can take a long time. Does anyone know a quicker way?

4 We can work out the area of a rectangle without the grid. length width Area = length x width

5 What is the area of each of these shapes? Check each answer by left clicking. 4 x 5 =20cm 2 3 x 6 = 18cm 2 7 x 2 = 14cm 2 5 x 6 = 30cm 2 2 x 11 = 22cm 2

6 Now work out the area of these rectangles. They are not drawn to scale. 36cm 2 35cm 2 20cm 2 25cm 2 4cm 9cm 7cm 5cm 4cm 2cm 12.5cm


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