| A | B |
| acute angle | an angle that measures between 0 and 90 degrees |
| area | the number of square units needed to cover a surface |
| average | the sum of two or more quantities divided by the number of quantities |
| cluster | data that are grouped closely together |
| pi | 3.14 |
| sum | to combine, to add |
| difference | subtract |
| multiply | to find the product of two or more terms |
| PEMDAS | parenthesis,exponent,multiply,divide,add,subtract |
| quotient | divide |
| is | equals |
| of | times |
| fraction | divide |
| stem | the greatest place value common to all the data values |
| leaves | the ones place value in a stem-and-leaf plot |
| ordered pair | a pair of numbers used to locate a point in the coordinate system |
| King Henry Died Drinking Chocolate Milk | the metric system |
| down right | in the metric system going from bigger to smaller |
| up left | in the metric system moving from small to larger numbers |
| absolute value | the number of units a number is from zero on the number line |