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# Vocab ck3 PACE2014

### 3rd vocabulary ck including words from the first 3 EUS

TermDefinition
Absolute value the distance from zero on a number line; symbolically |x|
Integer A whole number, its opposite, and zero
Multiplicative inverse (reciprocal) "flipping a fraction"; when you multiply a fraction and its reciprocal you get 1
Natural/Counting number the numbers starting with 1 and counting up (1,2,3,4,5 . . . )
Rational number a number that can be written as a ratio of two integers
Whole Number the numbers starting with 0 and counting up (0,1,2,3,4,5 . . . )
Coefficient the number in front of the variable, indicating multiplication (ex. the 8 in 8x)
Constant a term that does not contain a variable. (ex. in 3x + 4, 4 is the constant)
Equation a mathematical sentence using numbers and /or variables where both sides are equal
Expression a combination of numbers, operations and/or variables with no equal sign
Inequality mathematical sentences having the symbols <, >, ≤, or ≥
Variable a symbol, usually a letter, used to represent a number
zero pair the result when one positive is paired with one negative
Created by: laura.bearden