| term |
definition |
| algebra | mathematical language that uses variables and numbers |
| algebraic expression | combination of variables, numbers, and at least one operation |
| evaluate | to find the value of an expression by replacing variables with numbers |
| factor | a number that divides a whole number with a remainder of zero |
| exponent | in a power, the number of times the base is used as the factor |
| base (in a power) | the number used as the factor |
| power | a number that can be written using an exponent |
| order of operations | rules to follow when more than one operation is used |
| Rule 2 of OOPs | Do all powers before other operations |
| Rule 1 of OOps | Do all operations within grouping symbols first. |
| Rule 3 of OOps | Multiply and divide in order from left to right. |
| Rule 4 of OOps | Add and subtract in order from left to right. |
| squared | a number multiplied by itself is squared. |
| cubed | the product in which a number is the factor three times |
| numerical expression | a collection of numbers, operations, and grouping symbols |
| grouping symbols | Characters that are used to change the order of operations in an expression or to make an expression clearer. Examples: ( ), [ ] |
| Left-to-Right Rule | When operations have the same priority, you perform them from left to right. |
| P E M D A S | The first letters of the words for operations Parentheses, Exponents, Multiply and Divide, Add and Subtract |
| priority | coming before in order or in importance |
