# Math Vocabulary

Definitions of mathematical terms.

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Vocabulary | Definition | Representation | Addn'l Representations |
---|---|---|---|

Operation | Can be either addition, subtraction, division or multiplication | +, -, x, / | |

Positive | A number that is greater than 0 | 1, 235, 8/9, pi | |

Numerical Expression | A collection of numbers and mathematical operators | 2x + 4 | |

Variable | An unknown part of an equation represented by a letter | y | |

Equation | Two expressions set equal to each other | 4c - 3 = 25 | |

Term | Groups of variables and numbers separated by + and - signs in an equation or expression | -4b - 6c + 5 | |

Isolate | Perform inverse operations on both sides of an equation until a variable stands by itself | ||

Transform | A process by which one figure, expression or function is converted into another one of similar value | ||

Algebraic Expression | A collection of numbers, variables and mathematical operators | -6a + 5f - 4 | -4b - 6c + 5 |

Constant | A number that stands by itself in an equation | 17, -5, 2/3 | |

Simplify | To reduce (an equation, fraction, etc.) to a simpler form | 10x - 6x is the same as 4x | |

Like Terms | Terms whose variables and their exponents are the same | ||

Solution | Any value of the variable that makes the equation true | ||

Coefficient | The number that is multiplied by the variable | ||

Power | Represents how many times to use the base number/variable in multiplication. It is written as a small number to the right and above the base number | Exponent |