A | B |
Commutative Propery of Addition | 2 + 3 + 5 = 3 + 2 + 5 |
Associative Propery of Addition | (2+x) + 5 = 2 + (x + 5) |
Associative Propery of Multiplication | (5y)8 = 5 (y* 8) |
Commutative Propery of Multiplication | 5a = a5 |
Distributive Property | 5(x-6) = 5x + (-30) |
Identity Property of Addition | 11 + 0 = 11 |
Identity Property of Mult. | 444 (0) = 0 |
Evalutate | Solve |
Simplify | Make as simple as possible (which may mean a final answer) |
Substitute | Put a number in for a variable |
Variable | an unknown quantity |
Verbal Model | Words and symbols |
Variable expression | numbers, operations, variables |
Numerical expression | numbers, operations |
Order of Operations | Set of rules for evaluating expressions |
25a when a = 4 | 100 |
-(w + 6) | -w + (-6) |
15y + 12y | 27y |
(10 - x) 5 | -5x + 50 |
12x - 3(x+4) | 12x + (-3x) + (-12) |