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8th Grade Math
Real Number Systems and Number Sense
Term | Definition |
---|---|
Cube Root | One of the three equal factors of a number |
Fraction | A number in the form , where b 0. |
Integers | The set of whole numbers and their opposites |
Irrational Number | A number that cannot be expressed as a ratio of two integers (or as a repeating or terminating decimal) |
Natural Number | A whole, non-negative number |
Perfect Cubes | The cube of a rational number |
Perfect Square | The square of a rational number |
Radical | An expression that uses a root, such as square root, cube root |
Radicand | The number underneath the square root symbol |
Rational Number | Any number that can be expressed as the ratio of two integers, a repeating (with pattern) or terminating decimal |
Real Number | A rational or irrational number |
Repeating Decimal | Decimal in which after a certain point a particular digit or sequence of digits repeats itself indefinitely |
Square Roots | One of the two equal factors of a number |
Terminating Decimal | Decimal which can be expressed in a finite number of figures or for which all figures to the right of some place are zero |
Whole Number | The numbers 0,1,2,3… |