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# PACE Vocab chk 3

### Vocab relating to fractions, conversions, integers, alg reasoning

reciprocal/multiplicative inverse "flipping a fraction"; when you multiply a fraction and its ___________, you get "1"
integer a whole number or its opposite
rational number a number that can be written as a ratio of two integers
absolute value the distance from zero on a number line.
coefficient the number in front of the variable, indicating multiplication, such as the 8 in 8b
constant a term that does not contain a variable, such as the 4 in 3a + 4
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; a number that can be written in fractional form
whole number the numbers starting with 0 and counting up (0,1,2,3,4,5 ...)
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
Created by: laura.bearden