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Dividing A 2-digit Number By 87 1/2

Dividing A 2-digit Number By 87 1/2

Dividing a 2-digit number by 87 1/2

  1. Select a 2-digit number.
  2. Multiply it by 8.
  3. Divide by 7.
  4. Move the decimal point 2 places to the left.
   Example:
  1. The 2-digit number chosen to divide by 87 1/2
    is 31.
  2. Multiply by 8: 31 × 8 = 248
  3. Divide by 7: 248/7 = 35 3/7
  4. Move the decimal point 2 places to the left: .35 3/7
  5. So 31 divided by 87 1/2 = .35 3/7.

   See the pattern?

  1. The 2-digit number chosen to divide by 87 1/2
    is 71.
  2. Multiply by 8: 71 × 8 = 568
  3. Divide by 7: 568/7 = 81 1/7
  4. Move the decimal point 2 places to the left: .81 1/7
  5. So 71 divided by 87 1/2 = .81 1/7.




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26 Jul, 2021, 19:45:08 PM