| A | B |
 | 0.1 inch |
 | 0.2 inch |
 | 0.3 inch |
 | 0.4 inch |
 | 0.5 inch |
 | 1.5 inches |
 | 1.6 inches |
 | 1.7 inches |
 | 1.8 inches |
 | 1.9 inches |
How do you express these numbers?,  | use decimals |
 | 2-15/16" |
 | 3-1/8" |
 | 3-3/4" |
 | 5-1/2" |
 | 6-3/8" |
What ratio is this scale used for?,  | 1:2 Ratio |
 | 1-11/16" |
 | 1-13/16" |
 | 1-15/16" |
 | 1-3/4" |
 | 1-5/8" |
 | 1-7/8" |
 | 1-9/16" |
 | 1/4" |
 | 3/8" |
 | 3/16" |
 | 5/16" |
 | 7/16" |
 | 1/8" |
 | 1/2" |
 | 1/16" |
How do you express these numbers?,  | use fractions |
 | 10-3/4" |
 | 1-3/4" |
 | 15-5/8" |
 | 6-1/2" |
 | 9" |
What ratio is this scale for?,  | 1:4 |
| 1' | is 1 foot |
| 1" | is 1 inch |
| 1/2" | is 1/2 inch on a mechanical drafters scale |
| 0.5 | is 1/2 inch on an engineers scale |
| Engineer scales divide inches by... | 10ths |
| Mechanical drafter scales divide inches by... | 16ths |
| Tape measures, measure... | feet and inches |
| Tape measures divide inches by... | 16ths |
| 16ths are expressed as... | Fractions |
| 10ths are expressed as... | Decimals |
| Decimals do not have... | ' or " |