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# Red area perimeter

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St Augustine College Sydney Year 5 Students design and make perimeter and area power point games to be used by teachers and students around the world.

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### Red area perimeter

1. 1. Start! By Peter Marshall hope you enjoy by the way don’tforget to count your score because if you get them all right there is a secret extra at the end!
2. 2. 12 cm5 cm Answer 34cm Perimeter The way to calculate the perimeter of a rectangle is take the height and the width 5cm and 12cm and times them by 2 then add them together
3. 3. 5 cm Answer 20 cm perimeter The way to work out the perimeter of a square is times the Height or the width by 4
4. 4. 5cm 7cm Answers 15cm and 19 cm perimeter The way to find the perimeter of triangles is add the width the height and theside angle together except with equilateral triangles you find one measurement and times it by 3
5. 5.  What is the perimeter of this square 5 cm 30 20 25 cm cm Cm
6. 6. 5 cm 5cm5cm 6 cm Answers 30 cm and 25 cm Area the way to find the area of a square or rectangle Is times the width by the height
7. 7. Answer 17.5 cm5cm 7 cm area The way to find the area of a triangle is times the base by the height then half it
8. 8. What is the area of this triangle?6cm 7 cm 17.5cm 21 cm
9. 9.  You have finished! Answer this question to unlock special features Your score _ x (5+2) +3 – 2 AbcdefghIjklmnopqrstuvwxyz
10. 10. Answer15.7cm 5cm This is the way to work out the perimeter of a circle! Times the diameter ( the length in the middle of the shape ) by 3.14 otherwise known as pi and the area is the diameter halved and multiplied by itself then multiplied by pi.
11. 11. Back to Back to areaperimeter
12. 12. Back toperimeter Back to area