| A | B |
| customary system | units of measurement used in the United States |
| degree | a unit for measuring angles and temperature |
| degree of precision | the exactness of a measurement as determined by the unit of measurement |
| length | a measure of the distance of an object |
| scale drawing | a proportionally correct drawing |
| width | one dimension of an area or object |
| absolute value | distance from zero, always positive |
| commission | a percent of sales |
| common factor(s) | a number that is a factor of two or more numbers. |
| common multiple(s) | a number that is a multiple of two or more numbers. |
| composite number | a number with 3 or more factors |
| decimal | a symbol (.) that is used to separate whole numbers from fractional parts |
| denomenator | number below the fraction bar |
| difference | answer to a subtraction problem |
| discount | a deduction made from the regular price of the product or service |
| dividend | number being divided in a division problem |
| divisor | number that is doing the dividing |
| equivalent forms | equal in value (Ex: 1/2=50%=.5) |
| equivalent fraction | fractions that represent the same quotient, but have different numerators and denominators (Ex: 3/6=1/2) |
| expression | two terms and an operation |