| A | B |
| Sum | The result of an addition problem |
| Difference | The result of a subtraction problem |
| Product | The result of a multiplication problem. |
| quotient | The solution to a division problem |
| decimal | The point, written or implied, between the ones column and the tenths column. |
| Numerator | the top number of a fraction |
| Denominator | the bottom number of a fraction |
| ratio | a numerical relation between two numbers, a fraction |
| proportion | two ratios that are equal to each other |
| dividend | the number being divided by the divisor |
| divisor | the number being divided into the dividend |
| proper fraction | a fraction with the numerator smaller than the denominator |
| Improper fraction | a fraction with the numerator larger than the denominator |
| mixed number | a number that consists of an integer and a fraction |
| integer | a whole number |