Multiplying a 2-digit number by 1 1/3

1. Select a 2-digit number.
2. Multiply by 4.
3. Divide by 3.

   Example:

1. The 2-digit number chosen to multiply by 1 1/3 is 32.
2. Multiply by 4: 4 x 32 = 120 + 8 = 128
3. Divide by 3: 128/3 = 42 2/3
4. So 32 x 1 1/3 = 42 2/3.

   See the pattern?

1. If the 2-digit number chosen to multiply by 1 1/3 is 83:
2. Multiply by 4: 4 x 83 = 320 + 12 = 332
3. Divide by 3: 332/3 = 110 2/3
4. So 83 x 1 1/3 = 110 2/3.

Remember, if you use a calculator you will get a decimal approximation, whereas the fractional form will be exact.