Study

Unit 7 Review

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  • 249 x 4
    996
  • 60 x 50
    3,000
  • 22 x 30
    660
  • 30 x 4
    120
  • 22 x 23
    506
  • 24 x 8
    192
  • Rewrite the pair of fractions with a common denominator.
    Possible Answer: 8/24 and 6/24
  • Rewrite the pair of fractions with a common denominator.
    Possible Answer 2/6 and 3/6
  • Molly got 1,000 square feet for her answer. Is Molly's answer reasonable? Why or why not? Use estimation to help answer this question.
    Molly's answer is not reasonable (explanations will vary)
  • 40x60
    2,400
  • Which answer is the best estimate for this problem? 1,200 1,300 1,400 1,500
    1,500
  • 642 x 5
    3,210
  • 40 x 7
    280
  • Fill in the blank with the correct symbol; <, >, or =
    <
  • Sketch and name two fractions that are equivalent to 2/3.
    Possible Answers: 4/6 6/9 8/12
  • 24 x 20
    480
  • Who is correct? Why?
    Ari because 4/10= 40/100 40/100 + 35/100 = 75/100
  • Fill in the blank with the correct symbol; <, >, or = 0.50 ___ 0.05
    0.50 > 0.05
  • Use numbers, labeled sketches, or words to model and solve this problem.
    1,029 + 174 = 1,203 square feet
  • There are two sections to mow. The first one is 21 feet wide by 49 feet long. The second one is 6 feet wide and 29 feet long. How many square feet of grass do they have to to mow in all? Write an equation to represent this problem.
    (21 x 49) + (6 x 29) = g
  • 80 x 5
    400