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AREA & PERIMETER

AREA & PERIMETER. Created by Miss Mott. AREA. What is area?. Area is the amount of ____________ that an object takes up. Area is measured in _____________ units. It’s what the inside measures!. There are 2 ways to find the area of an object. Way #1: Count the number of squares.

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AREA & PERIMETER

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  1. AREA & PERIMETER Created by Miss Mott

  2. AREA

  3. What is area? • Area is the amount of ____________ that an object takes up. • Area is measured in _____________ units. • It’s what the inside measures!

  4. There are 2 ways to find the area of an object.

  5. Way #1: Count the number of squares.

  6. Way # 1: Count the total number of squares. 1. What is the area? ______________________

  7. Way # 1: Count the total number of squares. 2. What is the area? ______________________

  8. Way # 1: Count the total number of squares. 3. What is the area? ______________________

  9. Way # 1: Count the total number of squares. 4. What is the area? ______________________

  10. Way #2: Multiply the length X width.

  11. Way # 2: Length X Width 1. What is the area? ______________________ 4 cm 2 cm 2 cm 4 cm

  12. Way # 2: Length X Width 2. What is the area? ______________________ 3 cm 3 cm 3 cm 3 cm

  13. Way # 2: Length X Width 3. What is the area? ______________________ 8 cm 4 cm 4 cm 8 cm

  14. Way # 2: Length X Width 4. What is the area? ______________________ 6 cm 6 cm 6 cm 6 cm

  15. PERIMETER

  16. What is perimeter? • Perimeter is the ____________ around an object. • It is what the outside measures!

  17. There are 2 ways to find the perimeter.

  18. Way #1: Count the spaces outside the object.

  19. Way # 1: Count the number of spaces outside the object 1. What is the perimeter? __________________

  20. Way # 1: Count the number of spaces outside the object 2. What is the perimeter? __________________

  21. Way # 1: Count the number of spaces outside the object 3. What is the perimeter? __________________

  22. Way # 1: Count the number of spaces outside the object 4. What is the perimeter? __________________

  23. Way #2: Add all of the sides together.

  24. Way # 2: Add all of the sides 1. What is the perimeter? __________________ 4 cm 2 cm 2 cm 4 cm

  25. Way # 2: Add all of the sides 2. What is the perimeter? __________________ 3 cm 3 cm 3 cm 3 cm

  26. Way # 2: Add all of the sides 3. What is the perimeter? __________________ 8 cm 4 cm 4 cm 8 cm

  27. Way # 2: Add all of the sides 4. What is the perimeter? __________________ 6 cm 6 cm 6 cm 6 cm

  28. Way # 2: Add all of the sides 5. What is the perimeter? __________________ 4 cm 4 cm 4 cm

  29. Way # 2: Add all of the sides 6. What is the perimeter? __________________ Note: Each line measure 1 cm.

  30. AREA & PERIMETER

  31. Practice Problem #1 FORMULAS: AREA – space inside; count the squares inside or use length x width PERIMETER – distance around the outside; add all sides or count spaces outside the object • What is the area? ____________________ • What is the perimeter? _______________

  32. Practice Problem #2 FORMULAS: AREA – space inside; count the squares inside or use length x width PERIMETER – distance around the outside; add all sides or count spaces outside the object • What is the area? ____________________ • What is the perimeter? _______________

  33. Practice Problem #3 FORMULAS: AREA – space inside; count the squares inside or use length x width PERIMETER – distance around the outside; add all sides or count spaces outside the object • What is the area? ____________________ • What is the perimeter? _______________

  34. Practice Problem #4 FORMULAS: AREA – space inside; count the squares inside or use length x width PERIMETER – distance around the outside; add all sides or count spaces outside the object • What is the area? ____________________ • What is the perimeter? _______________ 3 cm 1 cm 1 cm 3 cm

  35. Practice Problem #5 FORMULAS: AREA – space inside; count the squares inside or use length x width PERIMETER – distance around the outside; add all sides or count spaces outside the object • What is the area? ____________________ • What is the perimeter? _______________ 2 cm 2 cm 2 cm 2 cm

  36. AREA & PERIMETER

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