This document defines area and perimeter and provides examples of calculating the area and perimeter of basic shapes like squares, rectangles, triangles, and parallelograms. It includes practice problems where the user clicks on shapes to check their work in finding the area and perimeter by using the appropriate formulas.

1. Area and Perimeter What is Area? What is Perimeter? Area is the amount of space an object takes up Perimeter is the distance around an object Area Area Practice Perimeter Practice

2. Area Area of a Rectangle Area of a Triangle Area of a Parallelogram Area of a Square Perimeter

3. Find the Area of the Squares Click on the square to check your answer! 5 ft 6.7 in 2.02 cm 3.5 m A= 20 ft 2 A= 26.8 ft 2 A = 14ft 2 A= 8.08ft 2 Square #2 Square #4 Square #3 Square #1 More Area A = lw

4. Square #1 A = lw A= (5 X 5) A = 25 ft 2 Click Here to Return

5. Square #2 A = lw A= (6.7 X 6.7) A = 44.89 in 2 Click Here to Return

6. Square #3 A = lw A= (3.5 X 3.5) A = 12.25 m 2 Click Here to Return

7. Square #4 A = lw A= (2.02 X 2.02) A = 4.0804 cm 2 Click Here to Return

8. Find the Area of the Triangles Click on the triangle to check your answer! More Area A = ½bh 2.1 mm 4 mm 5.4 cm 3.1 cm 6⅓ in 8 in

9. Triangle #1 A = ½bh A= ½(2.1 X 4) A = 4.2 mm 2 Click Here to Return

10. Triangle #2 A = ½bh A= ½(6⅓ X 8) A = 25.32 in 2 Click Here to Return

11. Triangle #3 A = ½bh A= ½(3.1 X 5.4) A = 8.37 cm 2 Click Here to Return

12. Find the Area of the Rectangles Click on the rectangle to check your answer! More Area A = lw 6.8 in 15.4 in 9.2 m 5.7 m 5 ft 16.2 ft

13. Rectangle #1 A = lw A= 16.2 X 5 A = 81 ft 2 Click Here to Return

14. Rectangle #2 A = lw A= 5.7 X 9.2 A = 52.44 m 2 Click Here to Return

15. Rectangle #3 A = lw A= 15.4 X 6.8 A = 104.72 in 2 Click Here to Return

16. Find the Area of the Parallelograms Click on the parallelogram to check your answer! More Area A = bh 5.9 m 4.6 m 8.3 ft 13 ft

17. Parallelogram #1 A = bh A= 5.9 X 4.6 A = 27.14 m 2 Click Here to Return

18. Parallelogram #2 A = bh A= 13 X 8.3 A = 107.9 ft 2 Click Here to Return

19. Perimeter Perimeter of a Rectangle Perimeter of a Triangle Perimeter of a Parallelogram Perimeter of a Square Area

20. Find the Perimeter of the Squares Click on the square to check your answer! 5 ft 6.7 in 2.02 cm 3.5 m A= 20 ft 2 A= 26.8 ft 2 A = 14ft 2 A= 8.08ft 2 Square #2 Square #4 Square #3 Square #1 More Perimeter P = 2(l + w)

21. Square #1 P = 2(l + w) P= 2(5 + 5) P = 20 ft Click Here to Return

22. Square #2 P = 2(l + w) P = 2(6.7 + 6.7) P = 26.8 ft Click Here to Return

23. Square #3 P = 2(l + w) P = 2(3.5 + 3.5) P = 14 ft Click Here to Return

24. Square #4 P = 2(l + w) P = 2(2.02 + 2.02) P = 8.08 ft Click Here to Return

25. Find the Perimeter of the Rectangles Click on the rectangle to check your answer! More Perimeter P = 2(l + w) 6.8 in 15.4 in 9.2 m 5.7 m 5 ft 16.2 ft

26. Rectangle #1 P = 2(l + w) P= 2(16.2 + 5) P = 42.4 ft Click Here to Return

27. Rectangle #2 P = 2(l + w) P= 2(5.7 + 9.2) P = 29.8 ft Click Here to Return

28. Rectangle #3 P = 2(l + w) P= 2(15.4 + 6.8) P = 44.4 ft Click Here to Return

29. Find the Perimeter of the Parallelograms Click on the parallelogram to check your answer! More Perimeter P = 2(l + w) 7.8 m 2.3 m 9.2 ft 15 ft

30. Parallelogram #1 P = 2(l + w) P= 2(7.8 + 2.3) P = 20.2 ft Click Here to Return

31. Parallelogram #2 P = 2(l + w) P= 2(9.2 + 15) P = 48.4 ft Click Here to Return

32. Find the Perimeter of the Triangles Click on the triangle to check your answer! More Area P = s + s + s 2.1 mm 4 mm 5.4 cm 3.1 cm 6.7 in 8 in 8 in 2.1 mm 5.4 cm

33. Triangle #1 P = s + s + s P= 2.1 + 2.1 + 4 P = 8.2 ft Click Here to Return

34. Triangle #2 P = s + s + s P= 6.7 + 8 + 8 P = 22.7 ft Click Here to Return

35. Triangle #3 P = s + s + s P= 5.4 + 5.4 + 3.1 P = 13.9 ft Click Here to Return