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# Algebra - Expression

### vocabulary from sixth grade algebra unit

TermDefinition
base A number/variable to be raised to a power/exponent. Ex. 3 is the base in the power 6^3
coefficient The number (numerical factor) in front of a variable in an algebraic term.
combining like terms A mathematical process used to simplify an expression by using operators to unite like terms.
constant A term that contains only a number in an algebraic expression.
cubed number A number raised to the third power. Ex. 2^3= 2 x 2 x 2 = 8
exponent A number that indicates the number of times the base appears as a factor. Ex. 3 is the exponent in 2^3; 2^3 = 2 x 2 x 2 (there are 3 twos being multiplied).
expression A mathematical phrase containing numbers, variables, and at least one operation.
factor Numbers that are multiplied to get a given number. Ex. 1, 2, 3, and 6 are all factors of 6
like terms Terms that contain the same variables raised to the same power; only the coefficients are different.
operator A symbol that shows an operation.
order of operations Order mathematical operations should be completed. GEMA: Grouping symbols, Exponential operations, Multiplicative operations, Additive operations.
product The result when two numbers are multiplied.
squared number A number raised to the second power. Ex. 5^2= 5 x 5 = 25
terms Any part of an expression written as a product or quotient; they are separated by the additive operations.
variable A symbol used to represent a number. This variable can change or take on different values.
Evaluate Find the value of by substituting a value in place of the variable(s) and then simplify.
Simplify Writing an expression in the most compact way without changing the value.
Created by: bonnieherron