| A | B |
|---|
| variable | a letter that represents a number |
| terms | parts of an expression separated by + or - |
| constants | numbers |
| coefficient | a number that multiplies a variable |
| like terms | terms with the same variable to the same exponents |
| evaluate | find the value of an expression |
| substitute | plug in a number for a variable |
| equivalent | equal, the same |
| equation | two expressions with an equal sign |
| Commutative Property of Addition | a + b = b + a |
| Commutative Property of Multiplication | a · b = b · a |
| Associative Property of Addition | (a + b) + c = a + (b + c) |
| Associative Property of Multiplication | (ab)c = a(bc) |
| Additive Identity Property | a + 0 = a |
| Multiplicative Identity Property | a·1 = a |
| Addition Property of Opposites | a + -a = 0 |
| Zero Property of Multiplication | a·0 = 0 |
| Distributive Property | a(b + c) = a·b + a·c |
