click below

click below

Normal Size Small Size show me how

# Math 7 vocab

### vocabulary for math

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

sum | The answer to a addition problem |

difference | the answer too a subtraction problem |

product | the answer to a multiplication probelm |

quotient | the answer to a division problem |

whole number | a full number 0,1,2,3... |

rational number | a number that can be written as a factor |

integer | the set of whole numbers and their opposites |

absolute value | the distance of number from zero on a number line |

commutative property | two or more number can be added in a different order |

associative property | the property that states hat all real numbers a.b,c the sum is always true |

distributive | when u spread one number too all parts of an expresssion |

identity property | the property that states that the sum/product is zero |

opposite | two numbers that are an equal distance from zero on a number line |

additive inverse | the opposite of a number |

numeric expression | a expression that contains only numbers and operations |

algebraic expression | an expression that contatins at least one variable |

order of operations | Pemdas |

variable | a symbol used to represent a quanity that can change |

constant | a value that does not change |

coefficient | the number that is multiplied by a variable in an algebraic expression |

evaluate | to solve |

simplify | to break down |

solution | an answer to a problem |

term | a number or word to define |

like term | terms used with the same variables raised to the same exponents |

perimeter | the distance around a polygon |

expression | a mathematical phrase that contains operations numbers/variables |

equation | a number sentence with a = sign ` |

x-axis | horizontal line on a graph |

y-axis | the vertical line on a graph |

bar graph | a graph the uses vertical/horizontal bars |

line graph | a graph over how data changes |

stem and leaf plot | a graph used to organize and display data |

box and whisker plot | a graph of medians in a data set |

circle graph | a graph of percents that add up to 100 |

measure of central tendency | mean median mode` |

measures of variability | range` |

mean | the average number in a data set |

median | the middle number in a data set |

mode | a number that occurs most often in a data set |

range | the difference between the greatest and least |

outlier | the number far from others in a data set |

lower extreme | the least number in a data set |

upper extreme | the greatest number in a data set |

first Q | the middle number in the upper half of the data set |

second Q | the median in a data set |

Third Q` | the median of the upper half of data |

inter Q range | the difference between the third and 1st Q |

percent | part of something |

ratio | a comparision of two quantities by division |

rate | a ratio that compares two quantities of different unti |

unit rate | a rate in which the second quantity in the comparision |

multiplicative inverse | the product of a non zero number and its reciprical |

reciprocal | when you flip the second fraction in a multiplication |

equivalent | when the fractions are the same |

compare | tell between to things |

repeating decimal | a decimal that keeps repeating |

terminating decimal | a decimal that ends |

numerator | the top number of a fraction |

denominator | the bottom number of a fraction |

leats common multiple | the least number that is a multiple of two |

gcf | the largest common factor |

line plot | a graph that uses line segements |

population | everyone in a group |