| A | B |
| addend | any number used to get the sum or total |
| difference | The answer when you subtract |
| product | the answer when you multiply |
| increase | get larger in size or number |
| congruent | having the same size and shape |
| sum | the answer when you add |
| factor | number that when multiplied, give a product |
| quotient | the answer when you divide |
| decrease | get smaller in size or number |
| similar | having the same shape, but NOT the same size |