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: 73B661BC829045CA834CB4F5419EB83EStandard set: Grade 8
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.8.NS.A.2
- List ID
- 2.
- Standard ID
- ED035A47D0D54C119DE9C0EB1C078C39
- ASN identifier
- S1143529
- Subject
- Common Core Mathematics
- Grades
- 08
- Ancestor IDs
- 73B661BC829045CA834CB4F5419EB83ED1D5DD00DFE401311D0E68A86D17958E
- Source document
- 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.