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# MMS OOPs

### Matoaca Middle School Order of Operations Vocabulary

termdefinition
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
Created by: DDavis