Math: ounces to pounds and ounces

The tutor shows a conversion from early Math 10 Pre-Calc.

Herein, I use the abbreviations oz for ounce and lb for pound.

Example: Convert 1013 ounces to pounds and ounces.

Solution:

  1. Realize that 16 oz=1 lb.
  2. Divide 1013 by 16 to get how many whole pounds you have.
  3. On a calculator, you’ll get the answer 63.3125. Keep the 63, but discard the decimal.
  4. The 63 means 63 pounds. You just need to find the number of ounces left over.
  5. Multiply 63 by 16; you’ll get 1008.
  6. The number of ounces left over is 1013-1008, or 5 ounces.
  7. Realize the meaning of the answer: 1013 oz is 63 lb, 5 oz.
  8. Check your answer: 63×16+5=1013:)

There are other ways to do this conversion, but this way seems the neatest that doesn’t use the fraction button.

I’ll be discussing unit conversions in future posts:)

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.

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