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math vocab words
math vocabulary
Term | Definition |
---|---|
proportion | an equation that two ratios or rates are equivalent |
origin | the point of intersection of the x-axis and y-axis in a coordinate system |
algebra | a mathematical language that uses symbols,usually letters,along with numbers |
area | the number of square units needed to cover the enclosed surface |
equation | a mathematical sentence that contains an equal sign |
mean | the sum of the numbers in a set of data divided by the number of pieces of data |
radius | the distance from the center of the circle to any point of the circle |
yard | a customary unit of length equal to 3 feet, or 36 inches |
parenthesis | the rules that tell which operation to perform first when more than one operation is used in 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 or item that appear most often in a data set |
perimeter | the distance around any closed geometric fiqure |
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 even the middle numbers added together then divided by 2 |
equivalent | having the same value, for instance, fractions that have the same number 1/2=2/4 |
mixed fraction | the sum of a whole number and a fraction 1 1/2 2 1/2 |
reciprocals | any two numbers that have a product of one |
chord | a segment with endpoints that are on a circle |
abtuse angle | an angle that measures greater than 90 degrees, but less than 180 degrees |
ratio | a comparison of two quantities by division, for instance 3:4=3/4 |
decimal | numbers that have digits in the tenths, hundredths, thousands place and beyond |
outlier | a value that is much higher or much lower than the other values in a set of data |
improper fraction | a fraction that has a numerator that is greater than or equal to the denominator;example 45/6 |
ordered pair | a pair of numbers used to locate a point in the coordinate system;example (-5, 14) |