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# math vocab

TermDefinition
Proportion An equation stating that two ratios are equivalent.
Origin The point of intersection of the x-axis and the y-axis in a coordinate system.
Algebra A mathematical language that uses symbols, usually letters, along with numbers. The letters stand for unknown numbers.
Area The number of square units needed to cover the enclosed (inside) surface.
Equasion A mathematical sentence that contains an equal (=) sign.
Mean The sum of the numbers in a data set divided by the number of pieces of data.
Radius The distance from the center of the circle to any point on the circle.
Yard A customary unit of length equal to 3 feet, or 36 inches.
Order of operations The rules that tell which operation to perform first when more than one operation is used (PEMDAS).
Diameter The distance across a circle through the center.
Rhombus A parallelogram with all sides congruent.
Quadrant One of the four regions in a coordinate plane separated by an x-axis and y-axis.
Mode The number(s) or item(s) that appear most often in a set of data.
Perimeter The distance around any closed geometric figure.
Exponent In a power, the number of times the base is used as a factor.
Variable A symbol, usually a letter, used to represent a number.
Percent A ratio that compares a number to 100.
Circumference The distance around a circle.
Foot A customary unit of length equal to 12 inches.
Median The middle number in a set of data when the data are arranged in numerical order. If the data has an even number, the two middle numbers are added together and then divided by 2.
Equivalent Having the same value...for instance, fractions that have the same number...1/2=2/4
Created by: Hagar004