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math vocabulary 2-9
| Term | Definition |
|---|---|
| proportion | An equation 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 letters, along with numbers. The letters stand for unknown numbers. |
| area | The number of square units needed to cover the enclosed (inside) 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 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 preform 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. |
| quadrent | One of the four regions in a coordinate plane separated by an x-axis and y-axis. |
| mode | The numbers or items that appear most often in a set of data. |
| perimeter | The distance around |
| 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. |
| equivalent | Having the same value...for instance, fractions that have the same number(1/2)or(2 1/2). |
| mixed number | The sum of a whole number and a fraction...for instance 1 1/2, 2 1/2. |
| reciprocals | Any two numbers that have a product of 1......(flip flops). |
| 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 two quantities by division... for instance, 3:4 or 3/4. |
| decimals | Numbers 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 numbers used to locate a point in the coordinate system; example, (-5, 14). |
Created by:
petermanl05
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