| A | B |
| factors | the numbers you multiply |
| addend | the numbers you add |
| product | answer to multiplication |
| sum | answer to addition |
| dividend | the big number you are dividing |
| quotient | the answer in division |
| divisor | the number you are dividing by |
| Commutative Property | states that the addends and factors can switch places |
| Identity Property | any number x 1 is that number |
| bar diagram | a picture that shows grouping |
| multiples | the products of specific numbers |
| fact family | 4 related facts using 3 numbers |
| Inverse Operation | states that you can use the opposite operation to solve the problem |
| partition | separating into groups |
| difference | the answer to subtraction |