7th Grade Review Worksheet 8-5, 8-6, 8-8 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which figure is not a prism? a. b. c. d. Short Answer . 2. Use = 3.14 to estimate the circumference of the circle to the nearest hundredth. C= d=2 r C= d=2 r 11 cm 4 in. 3. Use = 3.14 to estimate the circumference of the circle to the nearest hundredth. 4. Find the diameter of a circle with a circumference of 80 feet. Use = 3.14 to estimate the circumference of the circle to the nearest hundredth. C= d=2 r 5. The radius of a circular hat is 3.7 inches. Find the circumference. Use = 3.14 to estimate the circumference of the circle to the nearest hundredth. C= d=2 r 6. Use = 3.14 to estimate the area of the circle. Round your answer to the nearest hundredth if necessary. A = r 8. Use = 3.14 to estimate the area of the circle. Round your answer to the nearest hundredth if necessary. A = r r = 9.6 7 m 9. A circular clock face has a diameter of 7 inches. What is the area of the clock face? Round to the nearest tenth. 10. Simplify . 11. Find the length of the side of a square with an area of 36. 7. Use = 3.14 to estimate the area of the circle. Round your answer to the nearest hundredth if necessary. A = r 12. Estimate the value of number. to the nearest whole 13. Suzanne wants to put a fence around her square garden. If the garden covers an area of 100 ft2, how many feet of fencing does she need? 24.4 m Identify all the sets to which the number belongs. Choose from rational number, irrational number, whole number, and integer. 14. 3.1214122144 . . . 15. 16. Is a rational or an irrational number? 17. a) Name the figure. How many b) faces, c) edges, and d) vertices? e) What is the shape of the base? . 18. a) Name the figure. How many b) faces, c) edges, and d) vertices? e) What is the shape of the base? 19. a) Name the figure. How many b) faces, c) edges, and d) vertices? e) What is the shape of the base? 20. Name the geometric solid suggested by a frozen juice can. 21. Name three faces of the cube above that intersect at point G. 22. Use the figure above. is parallel to____. Essay 23. The diameter of a tire is 2.5 ft. Find the circumference of the tire. About how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280 ft) Show your work. Other 24. In the cube, is parallel to and Is parallel to any other line segments in the cube? Explain. 7th Grade Review Worksheet 8-5, 8-6, 8-8 Answer Section MULTIPLE CHOICE 1. B SHORT ANSWER 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 25.12 in. 34.54 cm 25.48 ft 23.236 in. 153.86 m2 467.36 m2 289.38 m2 38.5 in.2 6 6 7 40 ft irrational number rational number irrational triangular pyramid cube hexagonal prism cylinder DHGC, CBFG, GFEH none of these ESSAY 23. [4] [3] [2] [1] C = d = (2.5 ft) = 3.14(2.5 ft) = 7.85 ft 5,280 7.85 ft = 672.6 rotations Minor computational error Correct circumference, error in number of rotations Correct answers with no work shown OTHER 24. Yes. If is parallel to , and is parallel to , then must be parallel to .