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Rational Numbers Review

  •  English    18     Public
    Adding, Subtracting, Multiplying and Dividing
  •   Study   Slideshow
  • -1/2 x 2/3 =
    -1/3
  •  5
  • 4/5 + 2/7
    38/35 OR 1 3/35
  •  5
  • - 2 1/2 - (-3/4)
    -1 3/4
  •  10
  • 3 1/4 divided by 2 1/2
    1 3/20
  •  10
  • Mary bought 4 1/8 pounds of hamburger. She used 1/3 of the hamburger for dinner. How much hamburger does she have left?
    2 3/4 pounds of hamburger
  •  25
  • Jordan spent 2/5 of an hour studying for science each day. If he studied for 7 days, how many hours did Jordan study?
    2 4/5 hours
  •  20
  • Hector brought $40 to the fair. He bought 2 hot dogs, one soda and 3 bags of cotton candy. The price for each item at the fair - Hot Dogs $1.25; Sodas $1.70; Cotton Candy $3.55. How much money does Hector have left?
    $25.15
  •  20
  • At a local warehouse, an employee who worked 34.5 hours earned $552. What was their hourly wage?
    $16
  •  25
  • Lenard used a recipe that required 2/3 cups of flour. The amount of sugar needed was 1 1/4 times the amount of flour. How much sugar was used?
    5/6 cups of sugar
  •  25
  • -3 1/5 + (-1 1/6)
    -4 11/30
  •  10
  • 12.18 x (-0.3) =
    -3.654
  •  10
  • -9.40 x (-1.45)
    13.63
  •  10
  • -4.15 divided by 0.05
    -83
  •  15
  • 52.3 divided by -0.2
    -261.5
  •  15
  • Evaluate: (-7) to the 3rd power
    -343
  •  20
  • Evaluate: -4 to the 2nd power
    -16
  •  15