## Interactive Highlights

• ### NCTM KenKen

Check out our newest downloadable app in the iTunes app store today!

• ### Web Sketchpad

Take a look at our collection of mobile-friendly resources, and let us know what would be useful in your classroom!

• ### Mobile Interactives

Is your school 1:1? Integrate technology into your classroom using these tablet-optimized interactives today!

## New Interactives

### Investigating Functions with a Ferris Wheel: Distance vs. Width

Investigating Functions with a Ferris Wheel: Distance vs. Width A Web Sketchpad activity helps students make sense of relationships between quantities, in this case the way that the distance a car travels around a Ferris wheel covaries with its "width" or horizontal distance from the center of the Ferris wheel

### Investigating Functions with a Ferris Wheel: Distance vs. Height

Investigating Functions with a Ferris Wheel: Distance vs. Height A Web Sketchpad activity helps students make sense of relationships between quantities, in this case the way that the distance a car travels around a Ferris wheel covaries with its height. &lt;iframe src="/tools/ferriswheel/FerrisWheel_

### Euler's Line

9-12
Discover and explore Euler's Line.

### Pythagorean Review

6-8

Review and explore the Pythagorean Theorem.

### Power of a Point

9-12

Use this tool to investigate what happens when point P is moved to various points within, on, and outside the circle. What, if any, relationships can you identify among the segments and radius?