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MSA Prep Numbers 8th
  • 1. The earth is approximately 93,000,000 miles from the sun. What is this distance written in scientific notation?
A) 9.3 x 106
B) 93 x 106
C) 93 x 107
D) 9.3 x 107
  • 2. What is 2.47 x 108 written in standard form?
A) 247,000,000
B) 247,000
C) 24,700,000
D) 2,470,000,000
  • 3. 7+7___ 28-14
A) =
B) >
C) <
  • 4. -6 +4 ____ | -4 | +8
A) <
B) >
C) =
  • 5. What is 6 divided by -2
A) 3
B) -4
C) -3
D) 4
  • 6. Evaluate -3 x 5
A) 15
B) -15
C) -10
D) 10
  • 7. Evaluate -72
A) 49
B) -14
C) 14
D) -49
  • 8. Evaluate -23
A) 4
B) -6
C) 8
D) -8
  • 9. Simplify x5 * x8
A) x3
B) x9
C) x45
D) x13
  • 10. Simplify y8/ y2
A) y4
B) y16
C) y6
D) y8
  • 11. Estimate the square root of 50 to the nearest whole number.
A) 8
B) 7
C) 6
D) 5
  • 12. Estimate the square root of 65 to the nearest whole number.
A) 8
B) 7
C) 6
D) 9
  • 13. Estimate the square root of 40 to the nearest whole number.
A) 7
B) 4
C) 5
D) 6
  • 14. A shirt cost $40. What is the sales tax on the shirt if tax is 5%
A) $0.20
B) $3
C) $0.95
D) $2
  • 15. Your favorite store is having a 60% off sale. You find a shirt you like that would originally cost $75. What is the sale price of the shirt?
A) $39
B) $40
C) $45
D) $30
  • 16. Your sister borrows $30 from you and says that she will pay you back 0.20% interest per day. If it takes her 6 days to pay you back how much interest does she owe you?
A) $33.60
B) $0.36
C) $3.60
D) $2.48
  • 17. Simplify y7 x y-5
A) y2
B) y-12
C) y-2
D) y12
  • 18. Evaluate (-5)4
A) 20
B) 625
C) -625
D) -20
  • 19. Evaluate -9 + 2
A) 11
B) -7
C) -11
D) 7
  • 20. Evaluate 10 - -9
A) 1
B) -1
C) -19
D) 19
  • 21. Evaluate 9+ -2 x 6
A) 42
B) -3
C) -42
D) 3
  • 22. Evaluate 2 + 6 x 9
A) 49
B) 42
C) 72
D) 56
  • 23. Evaluate 9 x 2 + 6 x 5 + 3
A) 118
B) 123
C) 58
D) 51
  • 24. ( 225 - 9 ) / 3 _____ 7 x 9 + 3
A) <
B) =
C) >
  • 25. What is 8753000000000 in scientific notation?
A) 87.53 x 1011
B) 875.3 x 1010
C) 8.753 x 1012
D) 0.8753 x 1013
  • 26. Mary bought 3 boxes of pencils and ended up with 15 pencils. How many pencils were in each box?
A) 15 pencils per box
B) 3 pencils per box
C) 5 pencils per box
D) 45 pencils per box
  • 27. 6 pounds of flour cost $30, how much is the cost of one pound?
A) $5 per pound
B) $6 per pound
C) $1.50 per pound
D) $10 per pound
  • 28. James is making fruit punch. The directions say to mix 5 cups of water with 2 scoops of powder fruit mix. How much water does he need to add if he only has 1 scoop of powder fruit mix?
A) 2.5 cups of water per scoop
B) 1 cup of water per scoop
C) 10 cups of water per scoop
D) 2 cups of water per scoop
Porportions
  • 29. Solve the proportion
A) .26
B) 32
C) 160
D) 30
pro
  • 30. Solve the proportion
A) 12
B) 10
C) 9
D) 13
pro
  • 31. Solve the proportion
A) 15
B) 45
C) 51
D) 54
  • 32. 46 / 45
A) Not Given
B) 4,194,304
C) 3072
D) 4
  • 33. Which of the following are arranged from least to greatest?
A) 1, 0.321, 0.01, 0.02%, 3/10
B) 0.01, 0.02%, 0.321, 3/10, 1
C) 0.02%, 0.01, 3/10, 0.321, 1
D) 0.01, 1, 0.02%, 0.321, 3/10
  • 34. David was working as a sports writer for the local paper making $35, 250 a year. After a year they were able to give him a 15% increase in pay. The following year they cut his pay by 9%. How much is David currently making (nearest whole $)?
A) $37,365
B) $56,400
C) $52,875
D) $36,889
  • 35. Joan received a 35% raise. She is now making $58,050 per year. How much was she making in the previous year?
A) $43,000
B) $37,732.50
C) $20,317.50
D) $35,000
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