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Perimeter and Area Review

Perimeter and Area Review. For BBES 3 rd Graders. What is Perimeter?. Perimeter is the distance around something, like a fence. To Find the Perimeter. Add all the sides together to find the perimeter. 8 cm. 3 cm. 3 cm. 8 cm. 22 cm. 8 cm + 8 cm + 3 cm + 3 cm =.

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Perimeter and Area Review

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  1. Perimeter and Area Review For BBES 3rd Graders

  2. What is Perimeter? • Perimeter is the distance around something, like a fence.

  3. To Find the Perimeter • Add all the sides together to find the perimeter. 8 cm 3 cm 3 cm 8 cm 22 cm 8 cm + 8 cm + 3 cm + 3 cm =

  4. Remember to Label Your Answer! • Look at the unit that the object is being measured in. • Label your answer with the same unit.

  5. Find the Perimeter 5ft 10 ft 10 ft 5ft

  6. 10 ft + 10 ft + 5 ft + 5 ft = 30 ft

  7. Try This One… 13 in. 13 in. 13 in. 13 in. 13 in.

  8. 13 + 13 + 13 + 13 + 13 = 65 in.

  9. Here Is Another… 9 cm 5 cm 1 cm 4 cm 1 cm 5 cm 9 cm

  10. 9 + 9 + 1 + 1 + 5 + 5 + 4 = 34 cm

  11. How Would You Solve This One? 6 ft.

  12. 6 + 6 + 6 + 6 = or 6 X 4 = 24 ft.

  13. You Can Find the Perimeter of Everyday Objects… • A basketball court is one example: 28 m 15 m

  14. And the Perimeter of the Basketball Court Is… 15 + 15 + 28 + 28 = 86 m !

  15. What is Area? • The amount of surface inside a shape; measured in square units.

  16. To Find the Area: 8 sq. cm. One way is to count up the squares.

  17. Another Way to Find the Area: 4 units 4 X 4 = 16 sq. units

  18. Try Another: • 2 units • 6 units 6 X 2 = 12 sq. units

  19. Find the Area… 8 ft • 5 ft 8 X 5 = 40 ft2

  20. Remember… • Perimeter is the distance AROUND something. • Area is the amount of surface INSIDE a shape.

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