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Math Vocabulary
Term | Definition |
---|---|
Proportion | An equations stating that two ratios or rates 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 letter, along with #.The letters stand for unknown #. |
Area | The # of square units needed to cover the enclosed (inside) surface. |
Equation | A mathematical sentence that contains an (=) sign. |
Mean | the sum of the # in a set of data divided by the # 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 in. |
Order of operations | The rule that tell which operation to perform first when more than one operation is used. |
Diameter | The distance across a circle through the center. |
Rhombus | A parallelogram with all sides congruent. |
Quadrent | One of the four regions in a coordinate plane separated by an x-axis and a y-axis. |
Mode | The # or item 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 # are added together and then divided by 2. |
Equivalent | Having the same value....for instance, fraction that have the same #. |
mixed numbers | The sum of a whole number and a fraction...for instance 1 1/2 2 1/2. |
Reciprocal | Any 2 # that have the same product of 1. |
Chord | A segment with endpoints that are on a circle. |
Obtuse angle | An angle that measures greater than 90 degrees, but less than 180 degrees. |
Ratio | A comparison of 2 quantities by division....for instance, 3:4 or 3/4 |
Decimals | # that have digits in the tenths, hundredths,thousandths 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. |
Ordered pair | A pair of # used to locate a point in the coordinate system. |