Math exam practice riess goetz
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numerical expression
A mathematical phrase involving numbers and operation symbols, but no variables.
algebraic expression
A mathematical phrase with one or more variables
Equation
A mathematical sentence that contains an equals sign.
Associative property of addition
Changing the grouping of add ends does not change the sum.
Associative Property of Multiplication
Changing the order of factors does not change the product
Addition Property of Equality
Says that if you add the same value to both sides of an equation, the equation remains balance.
Solution
The value of the equation that makes the equation true.
evaluate
To find the value of
Variable
a letter that represents a number
inverse operations
operations that undo each other.
