| A | B |
|---|
| data | numbers or facts that describe something |
| bar graph | a graph where the lengths of bars are used to compare data |
| double bar graph | a graph that displays two sets of data(two or more bars per item) |
| Line graph | a graph displaying data using points connected by line segments(shows change over time) |
| numerical expression | an expression that equals one number, example: 5+3 |
| evaluating numerical expression | finding the answer to a numerical expression |
| variable | a letter used to represent one or more numbers |
| value of a variable | the number represented by the variable |
| variable expression | An expression that contains one or more variables |
| evaluating a variable expression | Finding the answer to an expression by substituting numbers for the variables |
| power | An expression containing an exponent |
| base of a power | The number or expression used as a factor in a repeated multiplication |
| exponent | A number that represents how many times a base is used as a factor in repeated multiplication |
| order of operations | A procedure for evaluating an expression involving more than one operation |
| grouping symbols | Brackets or parentheses used to indicate the order of operations |
| formula | An algebraic equation that relates two or more variables |
| sequence | An ordered list of numbers |
| commutative property of addition | In a sum, you can add numbers in any order |
| commutative property of multiplication | In a product, you can multiply numbers in any order |
| associative property of addition | Changing the grouping or terms will not change the sum |
| associative property of multiplication | Changing the grouping of factors will not change the product |
| counterexample | An example that shows that a statement is not always true |
| equivalent numerical expressions | Numerical expressions tha have the same value |
| distributive property | a number outside of parentheses can be distributed through the parentheses with the same answer |
| equivalent variable expression | Variable expressions that always have the same value |
