| Term | Definition |
| fractions | numbers used to describe or compare parts of a whole |
| numerator | represents the number of parts being considered; the top number of a fraction |
| denominator | represents how many parts in a whole; the bottom number of a fraction |
| mixed number | a whole number and a fraction together |
| decimal number | another way to write a fraction or mixed number whose denominator is a power of 10 |
| percentage | parts per hundred |
| bar graph | drawing made up of parallel bars whose lengths are proportional to the qualities being measured |
| line graph | uses a line that joins points representing changes in a variable quantity, ususally over a specific period of time |
| circle graph | a geometric respresentation of the relative sizes of the parts of a whole |
| pie chart | a pie-shaped geometric representation of the relative sizes of the parts of a whole |
| digit | represents a number and can be combined to represent larger numbers |