Common Core State Standard: 8.NS.2 |
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| Grade | 8 |
| Subject | MATH |
| Domain | The Number System |
| Theme | Know that there are numbers that are not rational, and approximate them by rational numbers |
| Standard | Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., ?^2). For example, by truncating the decimal expansion of ?2 (square root of 2), show that ?2 is between 1 and 2, then between 1.4 and 1.5, and explain how to continue on to get better approximations. |
| Reference URL | http://www.corestandards.org/Math/Content/8/NS |