Developed by the Australian Association of Mathematics Teachers (AAMT) for Australian Academy of Science Education.
The following images have been used in the sequence The steepest slopes on Baldwin St.
| Image | Attribution |
| Dunedin: Baldwin Street | Dr. Thomas Liptak, CC BY-NC-ND 2.0, via Flickr |
| Baldwin Street | MIke Thurston, CC BY-SA 2.0, via Flickr |
| Baldwin Street | Like_the_Grand_Canyon, CC BY-NC 2.0, via Flickr |
| Baldwin Street | Like_the_Grand_Canyon, CC BY-NC 2.0, via Flickr |
| "Gradient" sign near Downhill | Profile for Albert Bridge, CC BY-SA 2.0, via Geograph Ireland |
| Steep road | Amit Patel, CC BY 2.0, via Flickr |
| Road sign, Sonora Pass, CA | Stephen Colebourne, CC BY-ND 2.0, via Flickr |
| WARNING STEEP SLOPE | Leo Reynolds, CC BY-NC-SA 2.0, via Flickr |
| Steep hill, 23% | Adrian Tritschler, CC BY-NC-ND 2.0, via Flickr |
| Steep Grade, Sharp Curves, Walk Bikes | Joe Shlabotnik, CC BY-NC-SA 2.0, via Flickr |
| You had better take this one seriously! | Nicholas D., CC BY-NC 2.0, via Flickr |
| That's a heck of a grade | Cyndy Sims, CC BY-SA 2.0, via Flickr |
| 16% Steep Descent | Ryan Smith, CC BY-NC-SA 2.0, via Flickr |
| Jaffa race | Samuel Mann, CC BY 2.0, via Flickr |
| Serpentine in the Gonachir Gorge | Ted.ns, CC BY-SA 2.0, via Wikimedia |
