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., π²).
Standard detail
CCSS.Math.Content.8.NS.A.2
Standard
Depth 2Parent ID: 1157D0B7251D4875A0B312260A1CED5DStandard set: Grade 8
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.8.NS.A.2
- List ID
- 2.
- Standard ID
- 458A55371EF047FE9F36C6539A7BDF94
- ASN identifier
- S2526142
- Subject
- Mathematics (2010-2014)
- Grades
- 08
- Ancestor IDs
- 1157D0B7251D4875A0B312260A1CED5DDF3067682C88477D8D3AD5740EDC5E6B
- Exact matches
- Source document
- TN Common Core State Standards for Mathematics (2010)
- License
- CC BY 3.0 US
- Dataset notes
For example, by truncating the decimal expansion 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.