| A | B |
| multiple | The product of a number and any whole number. |
| prime number | A number that has exactly two factors, 1 and itself. |
| composite number | A number that has more than two factors. |
| Commutative property of multiplication | Two numbers can be multiplied in any order and the product will be the same. |
| zero property of multiplication | The product of any number and zero is zero. |
| identity property of multiplication | The product of any number and one is that number. |
| distributive property | To break apart a problem into two simpler problems. |
| pattern | Made up of shapes and numbers that form a part that repeats. |
| array | Objects arranged in equal columns and rows. |
| product | The answer to a multiplication problem. |
| factors | The numbers multiplied together to find the product. |
| inverse operations | Opposite operations that undo each other. |
| fact family | A group of related facts using the same set of numbers. |