Various Math Vocabulary Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| proportion | a statement that two ratios are equal; cross-multiplication can be used to determine if ratios are proportional.
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| evaluate | to solve an algebraic expression when a value is given for a variable.
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| perimeter | the sum of the sides of a polygon
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| circumference | the measure of the outside of a circle; pi times diameter.
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| area | the measure of the surface of a polygon; a two-dimensional measurement; units squared
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| acute angle | an angle larger than 0 degrees and less than 90 degrees
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| obtuse angle | an angle that is greater than 90 degrees and less than 180 degrees
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| right angle | an angle that measures exactly 90 degrees
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| pentagon | a five-sided polygon
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| octagon | an eight-sided polygon
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| hexagon | a six-sided polygon
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| decagon | a ten-sided polygon
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| sum of angles in a triangle | 180 degrees
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| sum of angles in a quadrilateral | 360 degrees
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| opposites | integers that are the same distance away from zero on a number line, but in opposite directions.
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| inequality signs | less than, greater than, less than or equal to, and greater than or equal to.
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| radius | a line that goes from the center of a circle to a point on the circle; half of the diameter
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| diameter | a line that connects two points of a circle, and passes through the center point; twice the radius
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| tax and tip | usually found by finding the percent of a number, and adding that amount to the original number.
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| discount | usually found by finding the percent of a number, and subtracting that amount from the original number.
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| surface area | the sum of the areas of each face of a polygon.
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| quadrant | one of four regions into which x- and y- axes divide the coordinate plane.
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| integers | the counting numbers, their opposites, and zero.
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| range | the difference between the largest and smallest number in a set of data
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| median | the middle number in a set of data; find the average if there are two middle numbers.
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| mean | the average number in a set of data.
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| mode | the number or numbers that occur the most in a set of data.
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Created by:
wtr6thscience
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