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A review for the 7th grade math student!

rational numbers

numbers that can be written as a fraction

irrational numbers

numbers that can not be written as a fraction, never terminates or repeats

scientific notation

a small way of writing numbers whose abosolute value is very large or very small

square root

one of a number's two equal factors

radical sign

the symbol used to indicate a square root

Pythagorean Theorem

the formula between the lengths of the legs and the hypotenuse for any right triangle


comparison of two numbers or quantities by division

rate of change

a rate describing how one quantity changes in relation to another

percent of change

the percent that an amount changes from its original amount

vertical angles

opposite angles formed by intersecting lines

complementary angles

where the sum of the measures equals 90 degrees.

supplementary angles

where the sum of the measures equals 180 degrees.


the mirror image produced by flipping a figure over a line


the movement of a figure from one position to another without turning it


the segment from the center to any point on the circle


a chord that passes through the center


the distance around a circle

complex figure

made up of two or more shapes


a relationship that assigns exactly one output value for each input value


the ratio of the rise,or vertical change, to the run,or horizontal change

direct variation

what the relationship is called when the ratio of two variable quantities is constant

slope-intercept form

the nonporportional linear function formula of y=mx+b


the y-coordinate of the point where the line crosses the y-axis.

scatter plot

a graph that shows the relationship,if any, between two sets of data

nonlinear functions

functions that do not have constant rates of change


a number, a variable, or a product of a number and one or more variables

lateral face

any flat surface of a solid that is not a base

lateral surface area

the sum of the areas of a solids lateral faces

total surface area

the sum of the areas of all of a solids surfaces


values that divide a set of data into four equal parts

lower quartile

the median of the lower half of a set of data

upper quartile

the median of the upper half of a set of data

interquartile range

the difference between the upper quartile and the lower quartile


data that are more than 1.5 times the value of the interquartile range beyond either quartile


an open sentence that uses the symbol <,≤,>,or ≥ to compare two quantities

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