| A | B |
| Mixed Number | A whole number and a fraction |
| Numerator | The top number in a fraction |
| Opposite Integers | Two integers the same distance from 0, but in different directions |
| Percent | A kind of ratio that compares a number with 100. |
| Place Value | The position of a digit in a number |
| Proportion | A statement that two ratios are equal |
| Ratio | A comparison of two quantities |
| Rounding | Expressing a number to the nearest whole number, ten thousand, or other value. |
| Decimal | A number that includes a period called a decimal point. |
| Equivalent Fractions | Fractions that are the same amount |
| Fraction | A number that names part of something |
| Greatest Common Factor (GFC) | The largest number that will divide evenly into a set of numbers. |
| Improper Fraction | A fraction that has a larger numerator than its denominator |
| Integers | Numbers above or below zero: -2, -1, 0, +1, +2, and so on |
| Least Common Multiple (LCM) | The lowest possible multiple any pair of numbers have in common |
| Denominator | The bottom number in a fraction |
| Absolute Value | The distance an integer is from zero on a number line. |
| Equation | A statement that two quantities have the same value. |
| Exponent | A number that indicates how many times another number is used as a factor. |
| Sum | Answer to an addition problem. |
| Quotient | Answer to a division problem. |
| Product | Answer to a multiplication problem. |
| Difference | Answer to a subtraction problem. |