Review perimeter and area

1. Review perimeter and area Quiz

2. Objectives • (checks) Understand, select and use units of appropriate size and type to measure angles, lengths/distances, area, surface area and volume. • Solve contextual problems that require calculating the area of triangles and parallelograms. • Prepares for: 0506.4.2 Decompose irregular shapes to find perimeter and area.

3. Remember!!! • Perimeter - all sides added together • Area of square and rectangles - A = length x width - A = l x w

4. Remember!!! • Area of parallelograms - A = base x height - A = b x h • Area of triangles - A = ½ x b x h

5. 1. Find the perimeter of a rectangle that is 15 cm wide and 44 cm long. 15 cm • 118 square cm • 118 cm • 660 cm • 660 square cm 44 cm

6. 1. Find the perimeter of a rectangle that is 15 cm wide and 44 cm long. 15 cm • 118 square cm • 118 cm • 660 cm • 660 square cm 44 cm

7. 2. Which is the best unit of measurement for measuring the length of a playground? • A. Meter • B. Millimeter • C. Centimeter • D. Inches

8. 2. Which is the best unit of measurement for measuring the length of a playground? • A. Meter • B. Millimeter • C. Centimeter • D. Inches

9. 3. Mrs. Tulip wants to plant a garden with the greatest area. She wants it to have a perimeter of 100 feet. Which dimensions should she use? • 10 feet by 40 feet • 15 feet by 35 feet • 20 feet by 25 feet • 25 feet by 25 feet

10. 3. Mrs. Tulip wants to plant a garden with the greatest area. She wants it to have a perimeter of 100 feet. Which dimensions should she use? • 10 feet by 40 feet • 15 feet by 35 feet • 20 feet by 25 feet • 25 feet by 25 feet

11. 4. Find the area of a rectangle that is 26 ft wide and 26 ft long. 2 • 52 ft • 52 ft • 676 ft • 676 ft 26 ft 26 ft 2

12. 4. Find the area of a rectangle that is 26 ft wide and 26 ft long. 2 • 52 ft • 52 ft • 676 ft • 676 ft 26 ft 26 ft 2

13. 2 5. The area of the rectangle is 42 yd . Which of the following can be used to find the area of the shaded triangle? • ½ x 42 • 42 • 42 – 7 • 42 (2 x 7)

14. 2 5. The area of the rectangle is 42 yd . Which of the following can be used to find the area of the shaded triangle? • ½ x 42 • 42 • 42 – 7 • 42 (2 x 7)

15. 6. Hunter is running for class president. He is painting a border on each of his election posters. If the posters are 9.5 inches wide and 11 inches tall, what is the perimeter of the posters? • 20.5 inches • 38 inches • 41 inches • 44 inches

16. 6. Hunter is running for class president. He is painting a border on each of his election posters. If the posters are 9.5 inches wide and 11 inches tall, what is the perimeter of the posters? • 20.5 inches • 38 inches • 41 inches • 44 inches

17. 7. Which of the following can be used to find the area in square centimeters of a parallelogram whose base measure 6 centimeters and height measures 8 centimeters? • A = (2 x 6) + (2 x 8) • A = 8 x 6 • A = ½ x 8 x 6 • A = 8 + 6 8 cm 6 cm

18. 7. Which of the following can be used to find the area in square centimeters of a parallelogram whose base measure 6 centimeters and height measures 8 centimeters? • A = (2 x 6) + (2 x 8) • A = 8 x 6 • A = ½ x 8 x 6 • A = 8 + 6 8 cm 6 cm

19. 8. To the nearest ¼ inch, how long is the key? • 2 ½ in • 2 in • 2 ¼ • 2 ¾ in

20. 8. To the nearest ¼ inch, how long is the key? • 2 ½ in • 2 in • 2 ¼ • 2 ¾ in

21. 9. A rectangular bulletin board is 8 ft long and 4 ft high. Mrs. Jones wants to cover it in shiny fabric to display artwork. Which of the following can be used to find how many square feet of fabric she needs? • A = 4 x 4 • A = 8 x 8 • A = 8 x 4 • A=2 x 8 + 2 x 4

22. 9. A rectangular bulletin board is 8 ft long and 4 ft high. Mrs. Jones wants to cover it in shiny fabric to display artwork. Which of the following can be used to find how many square feet of fabric she needs? • A = 4 x 4 • A = 8 x 8 • A = 8 x 4 • A=2 x 8 + 2 x 4

23. 10. Which line segment measures about 4 ¼ inches long? A B C D

24. 10. Which line segment measures about 4 ¼ inches long? A B C D