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7th grade Math Vocab

Math Vocabulary

B represents the area of the base of a solid figure
better buy comparing two or more prices, it is the one with the lowest unit rate
circumference the perimeter of a circle
complementary two angles whose sum is 90 degrees
dimensions measurements of 2 & 3 dimensional figures, usually edges
discount a deduction taken off original amount
equation a mathematical sentence that contains an equals sign
exponent represents the number of times the base is multiplied by itself
expression a math problem with no equal sign
mean the mathematical average of the data
median the middle number when data is arranged in numerical order
mode the number most repeated in a set of data
nth term refers to the position of a number in a sequence
perimeter the distance around a closed geometric figure
proportional the relationship between two ratios with a constant rate or ratio
quadrant the four regions created in a coordinate plane
range difference between the greatest and least pieces of data
relationship the connection between 2 or more sets of numbers
rule the expression that describes the numbers in a sequence or pattern
sample space the set of all possible outcomes of a probability experiment
scale factor a scale written as a ratio in simplest form
similar 2 or more figures that have proportional sides and congruent angles
square root a factor that when multiplied by itself equals that number
supplementary two angles whose sum is 180 degrees
terms each number in a sequence
unit rate a rate where the denominator is one unit
volume the number of cubic units needed to fill the space occupied by a solid
x-axis the horizontal axis in a coordinate plane and represents the independent variable
y-axis the vertical axis in a coordinate plane and represents the dependent variable
area the number of square units needed to cover a surface of a geometric figure
Created by: mlachowsky