| A | B |
| number line | a line for representing and graphing numbers. Each point on the line corresponds to a number |
| decimal number | a numeral that contains a decimal point |
| decimal point | a dot used to seperate the ones place from the tenths place in deciamal numbers (or dollars from cents in money) |
| fraction | a number that names part of a whole |
| numerator | the top number of a fraction; the number that tells how man parts of a whole are counted. |
| denominator | the bottom number of a fraction; the number that tells how many parts are in a whole |
| mixed number | a whole number and a fraction together |
| percent | a fraction whose denominator of 100 is expressed as a percent sign (%) |