Math Vocabulary
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21 terms
Terms | Definitions |
|---|---|
 variable | a symbol (like x or y) that is used to represent a quantity that can change |
| constant | a value that does not change |
| evaluate | to find the value of a numerical or algebraic expression |
| algebraic expression | An expression that contains at least one variable |
| equation | a mathematical statement that shows two expressions are equal |
| solution | a method for solving a problem |
| term | the parts of an expression that are added or subtracted |
| coefficient | the number that is multiplied by the variable in an algebraic expression |
| inverse operation | operations that undo each other, such as addition and subtraction, multiplication and division |
| compatible numbers | Numbers that are close to the given numbers that make estimation or mental calculation easier |
| reciprocal | (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2 |
| LCM (least common multiple | the least number, other than zero, that is the multiple of two or more given numbers |
| integer | any of the natural numbers (positive or negative) or zero |
| power | a mathematical notation indicating the number of times a quantity is multiplied by itself |
| exponent | a mathematical notation indicating the number of times a quantity is multiplied by itself |
| base | when a number is raised to a power the number that is used as the factor |
| numerical expression | an expression that includes numbers and operations |
| order of operations | set of rules followed when evaluating an expression PEMDAS |
| commutative property | The order of two numbers may be switched around and the answer is the same. a+b=b+a |
| associative property | Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication |
| identity property | a property in addition where when you add zero to a number it doesn't change, in multiplication its when you multiply a number by one |
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