November 4, 2011

Using a compass and the Pythagorean theorem, students construct the irrational numbers on the number line.

Supports the following Standards of Mathematical Practice

• 5 Use appropriate tools strategically.

• 6 Attend to precision.

- Mathematics > General
- Mathematics > Algebra
- Mathematics > Arithmetic
- Mathematics > Equations
- Mathematics > Estimation
- Mathematics > Geometry
- Mathematics > Graphing
- Mathematics > Measurement
- Mathematics > Number Sense & Operations
- Mathematics > Problem Solving

- Professional Education & Development
- Higher Education
- Graduate
- Undergraduate-Upper Division
- Undergraduate-Lower Division

Use appropriate tools strategically.

Attend to precision.

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).