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6th Grade Math Review

6th Grade Math Review. Choose the answer that lists all the factors of the number. 20. Answer: A. A. 1, 2, 4, 5, 10, 20 B. 1, 2, 5, 20 C. 2, 4, 5, 10, 20 D. 1, 2, 4, 5, 10. In the number 517.9364, the 3 is in which place? Tenths Hundredths Thousandths Ten-thousandths.

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6th Grade Math Review

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  1. 6th Grade Math Review

  2. Choose the answer that lists all the factors of the number. 20 Answer: A • A. 1, 2, 4, 5, 10, 20 • B. 1, 2, 5, 20 • C. 2, 4, 5, 10, 20 • D. 1, 2, 4, 5, 10

  3. In the number 517.9364, the 3 is in which place? • Tenths • Hundredths • Thousandths • Ten-thousandths Answer: B

  4. Which number is the largest? 0.376 0.74 0.108 0.741 Answer: 0.741

  5. Which number is between 17.2 and 17.3? • 17.02 • 17.25 • 17.32 • 17.18 Answer: B

  6. Which expression is the same as (5 x 3) x 7 • 5 x (3 + 7) • 5 x (3 x 7) • 5 + (3 x 7) • (5 + 3) x 7 Answer: B Name the property. Associative

  7. Which property does this example show? 2.61 + 92.7 = 92.7 + 2.61 Associative Commutative Distributive Property of 1 Commutative

  8. What is the answer to an addition problem called? Answer: Sum

  9. Find the average of the following numbers: 24, 17, 26, 33, 25 Answer: 25

  10. Tell how many sides each of the following figures has: square- octagon- hexagon- triangle- heptagon- pentagon- 4 8 6 3 7 5

  11. What is the sentence that helps us remember the Order of operations? What does each letter stand for? Please Excuse My Dear Aunt Sally. P-parenthesis E-exponents M-multiply D-divide A-add S-subtract

  12. Find the mean, median, mode, and range for the following numbers: 41, 46, 50, 48, 41, 47, 42. Mean: 45 Median: 46 Mode: 41 Range: 9

  13. Define the following terms: Acute angle- Obtuse angle- Right angle- An angle that measures less than 90 degrees. An angle that measures more than 90 degrees and less than 180 degrees. An angle that measures 90 degrees.

  14. Find the area and the perimeter of the figure below. Area: 360 sq. ft. Perimeter: 78 ft. 24feet 15 feet

  15. Draw the line of symmetry on the shape below.

  16. What is the answer to a multiplication problem called? Answer: product

  17. Is this an acute, obtuse, or right angle? Answer: Right angle

  18. What is the distance around a circle called? Answer: Circumference

  19. Type the next three odd numbers in the series. 105, 107, ___, ___, ___ Answer: 109, 111, 113

  20. Which shapes are similar figures? Answer: A, B, E B C E D A

  21. Write the ordered pair for each point on the graph. 10 Answer: A (0,8) B (6,7) C (2,4) D (8,2) E (5,0) 9 A 8 B 7 6 5 C 4 3 D 2 1 E 0 1 2 3 4 5 6 7 8 9 10

  22. Look at the sign outside a hamburger joint: What digit in this advertisement is in the hundred thousands place? Answer: 6

  23. Susan’s mother was elected mayor of her city. She got 65,890 votes. Her opponent received 100 fewer votes. How many votes did her opponent receive? A 65,990 B 65,900 C 65,880 D 65,790 Answer: D

  24. Which of the following is a factor of 35? A 2 B 3 C 4 D 7 Answer: 7

  25. What is the smallest number that is a multiple of both 3 and 5? A. 12 B. 15 C. 18 D. 30 Answer: 15

  26. Which of the following is a composite number. A. 7 B. 11 C. 27 D. 13 Answer: C

  27. How many prime numbers are between 60 and 70? A. 0 B. 1 C. 2 D. 3 Answer: C (61 & 67)

  28. What is the decimal form of 43/100? A 0.43 B 4300 C 0.043 D 0.43100 Answer: A

  29. The shaded amount of the squares is between which two numbers? A between 0 and 0.75 B between 0.75 and 1.25 C between 1.25 and 2 D between 2 and 2.75 Answer: D

  30. Norma said she saves 4/5 of the money she earns. What is the decimal form for the portion that she saves? A. 0.8 B. 0.6 C. 0.4 D. 0.45 Answer: A

  31. Simplify 15/35 A 5/7 B 3/15 C 3/7 D 5/7 Answer: C

  32. What is the missing number? 3? = 5 15 Answer: 9

  33. What is 0.2 of ¼ of 100? Explain each step. First I figure out that 1/4 of 100 is 25, by dividing 100 by 4. Next, I multiply 25 times .2 and get my answer of 5.

  34. Which of the numbers 11, 21, 31, 41, 51, 61, 71, 81, 91, and 101 are NOT prime numbers? Explain on your paper. 21and 81 are not prime numbers because they have more than two factors.

  35. 61 - = ? 8 3 A 2/5 B 5/12 C 3/8 D 1/4 Answer: B

  36. Jamie’s classmates send 21 e-mails to their friends every school day. Estimate how many e-mails the class sent out in September. (There are 22 school days in September.) A. 40 B. 200 C. 400 D. 600 Answer: C

  37. Carla practices the piano every day after school for 1 hour, and she practices 2 ½ hours every weekend. How many hours did she practice after 4 weeks? A. 30 B. 28 ½ C. 28 D. 26 Answer: A

  38. Tim takes money out of an automated teller machine every Tuesday morning. He never takes more than $50 and never takes less than $10. After five weeks, what is a reasonable total for the amount of money he withdrew from his account? A. less than $50 B. between $50 and $250 C. between $250 and $350 D. more than $350 Answer: B

  39. If you are rounding to the nearest 1,000, which number does not round to 2,000? A. 1,499 B. 1,500 C. 1,898 D. 2,499 Answer: A

  40. The closest estimate of 78 x 22 is .. A. 160 B. 1,600 C. 16,000 D. 160,000 Answer: B

  41. Jay’s mother purchases computer equipment for the school where she works. She ordered 7 computers at $1098 each, 3 printers at $308 each, 8 modems at $56 each, and 2 large computer screens at $432 each. She made a quick estimate and said that the total cost was under $10,000. Estimate the total to see if she made a good estimate. Answer: $7,000 for computers, $900 for printers, $480 for modems, $800 for computer screens Add those estimates: $9,180 She made a good estimate.

  42. The perimeter of a square is 44 m. What is the length of each side? A. 8 m B. 10 m C. 11 m D. 121 m Answer: C

  43. What is the area of the shaded triangle? 12 inches A 60 sq in B 65 sq in C 70 sq in D 80 sq in 10 inches Answer: A

  44. 634 grams = _____ kilograms A. 0.634 B. 6.34 C. 63.4 D. 6,340 Answer: A

  45. What is the perimeter of this figure? 35.5 cm A 60 cm B 90 cm C 100 cm D 120 cm 24.5 cm Answer: D

  46. Which of the following are the dimensions (length and width) of a rectangle whose Perimeter is numerically equal to its area? A. length = 5; width = 2 B. length = 6; width = 3 C. length = 7; width = 3 D. length = 8; width = 2 Answer: B

  47. Show how two rectangles can have the same perimeter, but different areas. Draw a picture. 6 inches 7 inches 3 inches 4 inches The perimeter for both rectangles is 20 inches. the area for rectangle A is 24 sq. in. and the area for rectangle B is 21 sq. in.

  48. What is the greatest number that can be made using all of these digits? 2 4 1 8 6 Answer: 86,421

  49. Put the following days in order from smallest to largest, based on aquarium attendance. Aquarium Attendance Day Monday Tuesday Wednesday Thursday Friday 2,105 2,625 3,302 2,598 2,615 Answer:Monday, Thursday, Friday, Tuesday, Wednesday

  50. What number is 10,000 less than 119,237? A. 19,237 B. 99,237 C. 109,237 D. 118,237 Answer: C

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