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Math 7 vocab

vocabulary for math

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
Created by: crazy.kd_