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# Math Vocabulary

### All of 7th grade math vocabulary

Term | Definition |
---|---|

Numerator | The top part of a common fraction. |

Denominator | The bottom part of a common fraction. |

Absolute Vaule | How far a number is from zero. |

Integers | Positive or negative number,or Zero. |

Opposites | Two numbers that have the same magnitude, but are opposite in signs. |

Ratio | Shows the relative sizes of two or more values. |

Rate | A special ratio in which the two terms are different units. |

Unit Rate | A rate with a denominator of 1. |

Unit Price | Price per unit of measure |

Reciprocal | One of a pair of numbers that, when multiplied together equal 1. |

Variable | A symbol, that is describing any number. |

Proportion | An equation stating that two ratios are equal. |

Equation | A written statement indicating the equality of two expressions. |

Sale Tax | The tax on goods or service purchases. |

Commission | The earnings based on a percent of the total amount of sales. |

Percent | The number of parts out of 100 of something. |

Principal | Principal is the amount of money borrowed or invested. |

Balance | When both sides have the same quantity or mass. |

Simple Interest | Simple interest is interest paid only on the original principal, not on the interest accrued. |

Compound Interest | When the interest rate is applied to the original principal and any accumulated interest, this is called compound interest. |

Algebraic Expression | An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables and operators. |

Distributive Property | An algebra property which is used to multiply a single term and two or more terms inside a set of parentheses. |

Monomial | A polynomial with only one term. |

Polynomial | An expression consisting of the sum of two or more terms |

Coefficient | A number or quantity placed before multiplying another quantity. |