| A | B |
| whole numbers | One of the numbers o,1,2,and so on. |
| fractions | A number that names a part of a whole or of a set. |
| decimal | A number used to name a whole quantity and/or a fractional part. |
| ratio | A pair of numbers that expresses a rate or a comparison. |
| rate | a ration that compares one quantity to a different kind of quantity. |
| ordered pair | a pair of numbers arranged so there is a first number and a second number, used to locate a point on a grid. |
| origin | On a coordinate grid, the point (0,0) where the two number lines, or axes, intersect. |
| x axis | The line that goes horizontally (across) the page. |
| y axis | The line that goes verically (up and down) the page. |
| standard form | The notation for writing numbers using the digits 0-9 and each represents a power of 10. |
| vocabulary | Terms used for certain subjects, math, science, social studies, etc. |
| communative property of addition | The order of the numbers you add doesn't matter 3+2 & 2+3 =5 |
| associative property of addition | The order of the numbers you add doesn't matter (1+2)+3 &1+(2+3) =6 |
| zero property of addition | Any number plus 0 = the number 12+ 0 = 12 |
| variable | An unknown quantity |
| equation | A mathematical sentence with the = symbol |