| Term | Definition |
| decimal places | places to the right of the decimal point |
| place value | the value of a digit based on its position within a number |
| common fraction | a fraction with whole number terms (numerator and denominator) |
| arithmetic sequence | a sequence in which each term is found by adding or subtracting a fixed amount to the previous term |
| geometric sequence | a sequence in which each term is found by multiplying or dividing the previous term by a fixed amount |
| area | the number of square units needed to cover a surface |
| improper fraction | a fraction with a numerator greater than or equal to the denominator |
| proper fraction | a fraction whose denominator is greater than its numerator |