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Dividing A 2-digit Number By 3 1/8

Dividing A 2-digit Number By 3 1/8

Dividing a 2-digit number by 3 1/8

  1. Select a 2-digit number.
  2. Multiply by 32 (multiply left to right: 30 times the number plus 2 times the number).
  3. Move the decimal point two places to the left.
   Example:
  1. The 2-digit number chosen to divide by 3 1/8 is 31.
  2. Multiply by 32: 32 × 31 = 930 + 62 = 992
  3. Move the decimal point two places to the left: 9.92
  4. So 31 divided by 3 1/8 = 9.92.

   See the pattern?

  1. The 2-digit number chosen to divide by 3 1/8 is 51.
  2. Multiply by 32: 32 × 51 = 1530 + 102 = 1632
  3. Move the decimal point two places to the left: 16.32
  4. So 51 divided by 3 1/8 = 16.32.




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26 Sep, 2021, 02:19:14 AM