| A | B |
|---|
equation,  | a mathematical statement that two expressions are equal (example 3b + 7 = 21), |
expression,  | a group of symbols that make a mathematical statement (example: 3b + 7), |
terms,  | chunks of an expression that contains a + or - sign, |
variable,  | a letter that represents a value, |
| constant | a part of an expression that does not change,  |
| coefficient | a number multiplying a variable,  |
| like terms | terms that have the same variable (and exponent),  |
| inequality | A mathematical sentence in which the value of the expressions on either side of the relation symbol are unequal,  |
| to combine | to put together (either addition or subtraction) |
| to evaluate | to solve |
| to substitute | to replace a variable with a value |
| to translate | to change words into numbers or algebraic symbols |
| to commute | to move terms |
| product | the answer to a multiplication problem |
| sum | the answer to an addition problem |
| difference | the answer to a subtraction problem |
| quotient | the answer to a division problem |
