| A | B |
|---|
| variable | a letter used representing a number |
| constant | numbers that stay the same |
| coefficient | a number that multiplies a variable |
| numeric expression | an expression with only numbers |
| algebraic expression | an expression with numbers and variables |
| simplest form | easiest way to write an expression using the fewest symbols |
| equivalent expression | may look different from one another but equals the same amount |
| order of operation | PEMDAS |
| absolute value | always positive, how far away from zero on the number line a number is |
| opposites | a number with its match with different signs |
| integers | all positive and negative whole numbers and zero |
| simplify | make the problem easier until there is nothing more to do |
| evaluate | to get a single value |
| substitute | plug in a number for a variable |
