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Adding and Subtracting Decimals

Quiz by Erin Beal

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14 questions
Show answers
  • Q1
    3.52 + 6.33
    9.85
    120s
  • Q2
    9.48 + 12.75
    22.23
    120s
  • Q3
    13 + (-10.35)
    2.65
    120s
  • Q4
    (-8.64) + (-3.12)
    -11.76
    120s
  • Q5
    (-9.09) + 7.57
    -1.52
    120s
  • Q6
    24.6-17.93
    6.67
    120s
  • Q7
    15.42-8.3
    7.12
    120s
  • Q8
    7.97- (-3.6)
    11.57
    120s
  • Q9
    (-5.3) - 4.2
    -9.5
    120s
  • Q10
    (-5.3) - (-4.2)
    -1.1
    120s
  • Q11
    A team of mountain climbers makes camp 1.48 kilometers above sea level. Then, they climb another 2.91 kilometers to the mountain's peak. How tall is the mountain?
    Question Image
    4.39
    120s
  • Q12
    In the morning, the temperature at the summit of a mountain was -8.5 degrees Celsius. By noon, the temperature had increased 3.6 degrees Celsius. What was the temperature at noon?
    -4.9
    120s
  • Q13
    Hawaii's Mauna Kea volcano measures 9.75 kilometers from its base to its peak. The base of Mauna Kea lies 5.55 kilometers below the ocean. What is teh height of the part of Mauna Kea that is above sea level?
    Question Image
    4.2
    120s
  • Q14
    In the Pacific Ocean, the Philippine Trench is 10.05 kilometers deep. In the Atlantic Ocean, the Brazil Basin is 6.12 kilometers deep. How much deeper is the Philippe Trench than the Brazil Basin?
    Question Image
    3.93
    120s

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