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Pitch perimeters

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Pitch perimeters

1. 1. Pitch Perimeters <ul><li>WALT : calculate the perimeter of rectangles </li></ul>
2. 2. What do we mean by the perimeter of a shape? <ul><li>The total length of all the sides </li></ul><ul><li>10cm </li></ul><ul><li>5cm </li></ul>Answer = 30cm
3. 3. What strategies did you use to find your answer? <ul><li>Add all the sides together </li></ul><ul><li>Double the length, double the width and add them together </li></ul><ul><li>Add the length and width and double it </li></ul>
4. 4. Now try this one… <ul><li>25cm </li></ul><ul><li>10cm </li></ul>
5. 5. And this one… <ul><li>50m </li></ul><ul><li>25m </li></ul>
6. 6. How do we find the missing lengths? <ul><li>10cm </li></ul><ul><li>10cm </li></ul><ul><li>5cm </li></ul><ul><li>20cm </li></ul>
7. 7. How do we find the missing lengths? 6cm 3cm 7cm 8cm
8. 8. How do we find the missing lengths? 7m 5m 2m 6m