Multiplying a 2-digit number by 37 1/2

1. Select a 2-digit number.
2. Multiply it by 3.
3. Divide by 8.
4. Move the decimal point two places to the right.

   Example:

1. The 2-digit number chosen to multiply by 37 1/2 is 68.
2. Multiply by 3. 3 x 68 = 180 + 24 = 204
3. Divide by 8. 204/8 = 25.5
4. Move the decimal point two places to the right: 2550
5. So 37 1/2 x 68 = 2550.

   See the pattern?

1. The 2-digit number chosen to multiply by 37 1/2 is 28.
2. Multiply by 3. 3 x 28 = 60 + 24 = 84
3. Divide by 8. 84/8 = 10.5
4. Move the decimal point two places to the right: 1050
5. So 37 1/2 x 28 = 1050.

Multiply from left to right for easy mental products.