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Unit 2 Math Review

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  • What happens to the digits to the right of the underlined digit when you are rounding?
    Get rid of them!
  • What is 327.042 rounded to the nearest hundredth?
    327.04
  • Find the difference: 54.1- 17.9
    36.2
  • Find the sum: 7.5 + 12.4
    19.9
  • What is the most important thing to remember when adding/subtracting decimals?
    line up the decimal points!!
  • Estimate the difference (round to the nearest whole number) : 42.9- 12.8
    30
  • Round to the nearest thousandth: 8.9024
    8.902
  • Estimate the sum (using compatible numbers) : 62.1 + 28.9
    90
  • Find the difference: 21.8 -13.07
    8.73
  • What is 65.899 rounded to the nearest tenth?
    65.9
  • Round 3.47 to the nearest tenth
    3.5
  • Find the sum: 3.88 + 7.05
    10.93
  • Round 16.22 to the nearest whole number
    16
  • Estimate the sum (round to the nearest whole number) : 23.7 + 17.5
    32
  • Estimate the difference (using compatible numbers) : 78.7 - 38.9
    40
  • Find the sum: 32.9 +6.22
    39.12
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