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Pitch Perimeters WALT : calculate the perimeter of rectangles.

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Presentation on theme: "Pitch Perimeters WALT : calculate the perimeter of rectangles."— Presentation transcript:

1 Pitch Perimeters WALT : calculate the perimeter of rectangles

2 What do we mean by the perimeter of a shape? The total length of all the sides 10cm 5cm Answer = 30cm

3 What strategies did you use to find your answer? Add all the sides together Double the length, double the width and add them together Add the length and width and double it

4 Now try this one… 25cm 10cm

5 And this one… 50m 25m

6 How do we find the missing lengths? 10cm 5cm 20cm

7 Perimeters worksheet In your maths book, draw each shape accurately (using a ruler). Then work out the perimeter and record it underneath the shape.

8 Common errors…


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