Multiplying a 2-digit number by 8 8/9

1. Select a 2-digit number.
2. Multiply by eight.
3. Add one zero.
4. Divide by nine.

   Example:

1. The 2-digit number chosen to multiply by 8 8/9 is 41.
2. Multiply by 8: 8 x 41 = 328
3. Add one zero: 3280
4. Divide by 9: 3280/9 = 364 4/9
5. So 41 x 8 8/9 = 364 4/9.

   See the pattern?

1. The 2-digit number chosen to multiply by 8 8/9 is 62.
2. Multiply by 8: 8 x 62 = 480 + 16 = 496
3. Add one zero: 4960
4. Divide by 9: 4960/9 = 551 1/9
5. So 62 x 8 8/9 = 551 1/9.

Those using calculators will get repeating decimal answers, while your answers will be exact.