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6th Grade Math Vocab
6th Grade Math Vocabulary
| Term | Definition |
|---|---|
| Area | The number of square units needed to cover a surface enclosed by a geometric figure. |
| Congruent Figures | Figures that have the same shape and size. |
| Equation | A mathematical sentence stating that two expressions are equal. Example: 3 x (7 + 8) = 9 x 5 |
| Exponent | A number that indicates how many times a number or expression is to be multiplied by itself. Example: In the expression 5^3, the exponent is 3. |
| Expression | A mathematical combination of numbers, variables, and operations. Example: 5 + 2 |
| Greatest Common Factor | The greatest number that is a factor of two or more numbers. Example: The greatest common factor of 30, 60, and 15 is 15. |
| Improper Fraction | a fraction in which the numerator is greater than the denominator, such as 5/4. |
| Inequality | An open sentence that uses the symbol <, , >, or to compare two quantities. |
| Integers | The set of whole numbers and their opposites {. . .-2, -1, 0, 1, 2. . .}. |
| Least Common Multiple | The least nonzero number that is a common multiple of two or more numbers. Example: 36 is the least common multiple of 3, 9, and 12. |
| Mean | The sum of the numbers in a set of data divided by the number of pieces of data in the set. |
| 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 median is the mean of the two middle numbers. |
| Mixed Number | a number consisting of an integer and a proper fraction such as 3 1/2. |
| Multiplicative Identity | For any number a, a x 1 = 1 x a = a. Example: 4 x 1 = 1 x 4 = 4 |
| Parallel | Lines in the same plane that never intersect and have the same slope. |
| Percent | A ratio that compares a number to 100. Example: 76 out of 100 is 76 percent or 76%. |
| Prime Number | A whole number, greater than 1, whose only factors are 1 and itself. |
| Product | The result obtained by multiplying two or more numbers or variables. |
| Quadrants | One of four regions into which the x- and y-axes separate the coordinate plane. |
| Quotient | The result obtained by dividing two numbers. |
| Range | The difference between the greatest number and the least number in a set of data. |
| Rate | The ratio of two measurements having different units of measure. Example: 60 miles per hour |
| Rational Numbers | The set of numbers that can be written as a fraction. |
| Repeating Decimals | A decimal whose digits repeat in groups of one or more. Example: 0.181818. . . |
| Solution | A value for the variable that makes an equation true. Example: The solution of 12 = x + 7 is 5. |
| Terminating Decimals | A decimal whose digits end. Example: 0.2, -1.345 |
| Variable | A letter or other symbol used to represent an unspecified number or value. |
| Volume | The number of cubic units needed to fill the space occupied by a solid. |
| x-Axis | The horizontal number line on a coordinate plane. |
| y-Axis | The vertical number line on a coordinate plane. |
Created by:
jennroth
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