| A | B |
|---|
| inverse operations | 2 + 3 = 5 5 – 3 = 2 or 2 x 3 = 6 6 ÷ 3 = 2 |
| commutatve property of addition | changing the order of addends does not change the sum (addition only) |
| variable | a letter that stands for a number |
| identity property of addition | adding zero to any number gives you that same number as the sum |
| additive identity | 0 |
| commutative property of multiplication | 2 x 3 = 6 3 x 2 = 6 |
| identity property of multiplication | when a number is multiplied by 1, the product is always that same number. |
| multiplicative property | 1 |
| property of zero for multiplication | any number multiplied by zero will have a product of zero. |
| associative property of addition | (3 + 2) + 1 = 3 + (2 +1) |
| associative property of multiplication | (4 x 3) x 2 = 4 x (3 x 2) |
| sequence | an ordered list of numbers that follow a pattern or rule |
| perfect square | 2 x 2 = 4 7 x 7 = 49 |
