## Investigating Functions With A Ferris Wheel

coauthored with Peter Hornbein (@phornbein1) and Sumbal Azeem, appeared in the December 2016/January 2017 issue of NCTM’s Mathematics Teacher journal.

#### This winter, Max Ray-Riek (@maxmathforum) and Annie Fetter (@MFAnnie) converted my Geometer’s Sketchpad sketches into Web Sketchpad Activities, freely available through NCTM Illuminations:

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

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

### A few quick notes to get started:

- Click Animate Point to move the car around the Ferris wheel.
- Click the action buttons to show/hide features and move between pages.
- Drag the Active Point (the car on the Ferris wheel) to control the animation.

### Who might use these activities?

I used these activities with 9th grade students in Algebra 1, but they could be appropriate for students with different kinds of mathematical experience.

### Want more?

In upcoming blog posts, I’ll be sharing ideas for using these Web Sketchpad activities.

### What do you think?

How have you used these Web Sketchpad activities with your students? Let me know in the comments, or let me know on Twitter @HthrLynnJ.

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