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Numbers & Operations

Numbers & Operations. review problems. #1. The sum of two consecutive integers is -25. Which of these is one of those integers? A. -5 B. -10 C. -12 D. -25. #2. Which of the following best represents the location of point A on the number line shown below? A. B. C. D. #3.

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Numbers & Operations

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  1. Numbers & Operations review problems

  2. #1 • The sum of two consecutive integers is -25. Which of these is one of those integers? A. -5 B. -10 C. -12 D. -25

  3. #2 • Which of the following best represents the location of point A on the number line shown below? A. B. C. D.

  4. #3 • Which of the following number sentences is represented on the number line shown below? A. -2 + (-3) = 1 B. 1 + (-2) = -2 C. 1 – (+2) = -1 D. -2 + 3 = 1

  5. #4 • Which of the following is equivalent to the expression below? (4)(-x)(-y) A. 4xy B. -4xy C. (-4)(x)(y) D. (-4)(-x)(-y)

  6. #5 • At 7:00 a.m., the temperature was -6°F. The temperature was 8°F higher at noon. Which of the following expressions can be used to calculate the temperature at noon? A. -6 + 8 B. -6 – 8 C. 8 + 6 D. 8 – (-6)

  7. #6 • The table below shows the low temperatures of four cities on one winter night. Which city had the lowest temperature that night? A. Boston B. Lowell C. Springfield D. Worcester

  8. #7 • Which of the following expressions is not equivalent to -7? A. (-4 – 3) B. –(4 +3) C. D. -

  9. #8 • What is the product of -7 and -4? A. -28 B. -11 C. 11 D. 28

  10. #9 • Compute: (-8) + (+6) = A. -14 B. 14 C. -2 D. 2

  11. #10 • At 6 p.m. the temperature at the North Pole was -19°F. By midnight the temperature had dropped 18°. What was the temperature at midnight? A. 1°F B. -1°F C. -37°F D. 37°F

  12. #11 • Shanelle and Chin are playing a new board game using green and yellow chips. Each green chip is worth +1 point. Each yellow chip is worth -1 point. If Shanelle has 7 green chips and 25 yellow chips, which is her score? A. 32 B. -32 C. 18 D. -18

  13. #12 • Compute: (+7)(-7) A. -49 B. 49 C. 0 D. -14

  14. #13 • Which of the following shows the numbers in the order in which they occur from left to right on a number line? A. B. C. D.

  15. #14 • Compute. (-5)(-7) = A. -35 B. -12 C. 12 D. 35

  16. #15 • Mount Katahdin, the highest point in Maine, is 5,267 ft above sea level. A part of Casco Bay is 246 feet below sea level. What is the difference between these two levels? A. 4,979 ft B. 5,021 ft C. 5,503 ft D. 5,513 ft

  17. #16 Which of the following shows the numbers ordered from least to greatest? A. 0.004, 0.07, 0.6, 0.32 B. 0.004, 0.6, 0.07, 0.32 C. 0.004, 0.07, 0.32, 0.6 D. 0.004, 0.32, 0.07, 0.6

  18. #17 A. 2 B. 4 C. 6 D. 16

  19. #18 • Which of the following shows the numbers ordered from least to greatest? A. 0.31, 0.04, 0.6, 0.007 B. 0.007, 0.04, 0.31, 0.6 C. 0.6, 0.31, 0.04, 0.007 D. 0.007, 0.31, 0.04, 0.6

  20. #19 • Which of the following groups of numbers are arranged from least to greatest? A. B. C. ` D.

  21. #20 • Which number is greatest? A. 0.27 B. 0.046 C. 0.297 D. 0.3

  22. #21 A. B. C. D.

  23. #22 • When the students in Mrs. Bird’s room are put into teams of 2, 5, or 6, there is always one student left over. How many students are in Mrs. Bird’s room if there are fewer than 50? A. 31 B. 30 C. 29 D. 11

  24. #23 • Which of the following statements is true? A. 0 < -3.2 B. -5.9 > 1.2 C. -2.8 < -7.4 D. -1.9 > -6.0

  25. #24 • Solve. 6(-18) = A. -108 B. -12 C. -3 D. 108

  26. #25 • What is the difference between the smallest positive 3-digit number and the largest positive 2-digit number? A. 1 B. 9 C. 10 D. 90 E. 900

  27. #26 • What temperature would be 15°F more than the temperature shown on the thermometer? A. -20° F B. -10° F C. 10° F D. 15° F E. 20° F

  28. #27 • (-25)(-7) A. -35 B. -12 C. -2 D. 12 E. 35

  29. #28 • Which one is written in order from smallest to largest? A. B. C. D.

  30. #29 • At the fall festival the tennis team is selling hamburgers for $2.00, hotdogs for $1.50 and drinks for $1.00. Half of the money raised will go towards the purchase of team uniforms. If they sell 21 hamburgers, 34 hotdogs, and 65 drinks, how much money will they have to put towards the purchase of uniforms? A. $60 B. $79 C. $120 D. $158

  31. #30 • In January, Mary starts off with $50 in her checking account. During the month she deposits $235.89 and writes checks totaling $45.77. At the end of the month she decides to take half of the money left in the account and deposit it into her savings account. How much did she deposit in her savings account? A. $142.94 B. $165.83 C. $120.06 D. $240.12

  32. #31 • Two consecutive numbers add up to 127. What are the two numbers? A. 62 and 63 B. 63 and 64 C. 64 and 65 D. 45 and 82

  33. #32 • Jill spent a total of $5.37 at the fair buying three hotdogs and one hamburger. A hamburger cost $0.37 more than a hotdog. How much does a hotdog cost? A. $0.88 B. $1.25 C. $1.62 D. $5.00

  34. #33 • Which number is the largest? A. -10 B. -5 C. D.

  35. #34 • Multiply -10 x -33 A. -330 B. -33 C. 33 D. 330

  36. #35 • Simplify. -1.6 + 5.7 + -3.2 A. 0.8 B. 0.9 C. 1 D. 1.1

  37. #36 • Which is equivalent to ? A. 7 B. 4 C. -10 D. -14

  38. #37 • During a winter’s night, the low temperature was recorded at 19° F. The wind-chill temperature that same night was -7° F. What was the difference between the wind-chill temperature and the low temperature? A. 7° F B. 12° F C. 25° F D. 26° F

  39. #38 • A fruit delivery truck traveled 65 miles for Monday deliveries. The truck starts at the fruit distribution center, makes 3 deliveries, and returns to the fruit distribution center. The 4 distances traveled are consecutive numbers that differ by half a mile. How far is it from the fruit distribution center to his first delivery? A. 15.5 miles B. 16 miles C. 16.5 miles D. 17 miles

  40. #39 • Marcus has $40 in his pocket. Joseph has twice as much as Marcus, Jenna has half as much as Marcus, and Sam has one-third as much as Marcus. Order the individuals based on the amount of money they have from least to greatest. A. Sam, Jenna, Marcus, Joseph B. Jenna, Sam, Marcus, Joseph C. Sam, Jenna, Joseph, Marcus D. Joseph, Marcus, Jenna, Sam

  41. #40 • Simplify -19 – 7 A. 12 B. 26 C. -12 D. -26

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