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Vocab ck3 PACE2014
3rd vocabulary ck including words from the first 3 EUS
Term | Definition |
---|---|
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 |