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# MATH VOCABULARY

### ALL OF 7th GRADE MATH VOCABULARY

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

Numerator | The top number of a fraction |

Denominator | The bottom number of a fraction |

Absolute value | How much one is |

Integer | A number Ex. 7 |

Opposites | -9 = +9 |

Ratio | a relationship between two numbers of the same kind, expressed as "a to b" or a:b, |

Rate | a specific kind of ratio, |

Unit rate | They are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour |

Unit price | How much one is |

Reciprocal | The difference |

Variable | A symbol for an unknown number |

Proportion | A proportion is a name we give to a statement that two ratios are equal. It can be written in two ways |

Equation | A formula of the form a=b where a and b may continue a variable |

Tax | A sum of money demanded by the government for its support |

Commission | An earning made on the percent of the total number of sales |

Percent | A number or ratio expressed as a fraction of 100 |

Principle | The amount of money borrowed or invested |

Balance | When both the sides are even |

Simple interest | Interest paid only on the original price |

Compound interest | Interest paid n the original rice plus all of the collected interest |

Algebraic expressions | A math,apical phrase that contains ordinary numbers, variables, and operators |

Distrubitve property | involves the operations of multiplication and addition or multiplication and subtraction |

Monomial | One term |

Polynomial | Many terms |

Coefficient | A number or symbol multiplied with a variable or an unknown quantity in an algebraic term |

Inequality | is a relation that holds between two values when they are different |

Inequality | is a relation that holds between two values when they are different |

Origin | beginning or starting point, and, in mathematics, the origin can also be thought of as a starting point. At the origin, both x and y are equal to zero, and the x-axis and the y-axis intersect. |

X-Axis | The line on a graph that runs horizontally (left-right) through zero |

Y-Axis | The line on a graph that runs vertically (up-down) through zero |

Coordinate Pair | a pair of numbers used to locate a point on a coordinate plane; the first number tells how far to move horizontally and the second number tells how far to move vertically. |

X Coordinate | the axis, usually horizontal, which values of x are measured and at which both y and z equal zero. |

Y Coordinate | is always written second in an ordered pair of coordinates (x,y) |

Quadrants | The four regions of a coordinate plane |

Horizontal | is one the goes left-to-right, parallel to the x-axis of the coordinate plane |

Vertical | one which runs from up and down the page |

Linear Equation | an algebraic equation in which each term is either a constant or the product of a constant |