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Decimal Numbers and Area

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  • Subtract the decimals; 227.05 - 99.8 =
    127.25
  • Add the decimals: 19.23 + 14.5 +22.8 =
    56.53
  • Round each decimal to the nearest whole number then add to estimate the sum: 22.5 + 17.06 + 32.25 + 14.9
    87
  • Find the area of the parallelogram:
    24
  • round to the nearest tenth: 9.89
    9.9
  • Add the decimal number: 55.19 + 22.9 =
    78.09
  • Find the area of the triangle:
    15
  • Find the area of the parallelogram:
    20
  • Add: 12.33 + 14.9 + 16.8 + 23.09 =
    67.12
  • round to the hundredths place. 18.725
    18.73
  • 447.8 - 250.07 =
    197.73
  • Find the area of the triangle:
    9
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