| A | B |
| plural possessive | more than one showing ownership |
| singular possessive | one showing ownership |
| plural | more than one |
| order of operation | (first) multiply and divide starting from left, then add and subtract from left |
| perimeter | distance around an object |
| quiet | free from noise |
| quite | almost completely |
| hear | to listen to |
| here | in this place |
| exponent | a number telling how many times to factor another number |
| lead | a heavy gray metal |
| led | past tense of lead(going first) |
| peace | absence of war/calmness |
| piece | a portion of something |
| who's | a contraction of who is |
| whose | possessive form of who |
| you're | contraction for you are |
| your | possessive form of you |
| commutative property | the order of addends or factors does not change the sum or product |
| imperative | a type of sentence that gives a command |