http://www.stemcollaborative.org/?
These STEM Collaborative projects—Math By Design, Scale City, Proportion and Park, and Rock ‘n' Roll Road Trip—include hands-on simulations, videos, and interactive activities such as building a skateboard ramp, measuring a roller coaster, setting up a rock music tour. Students will put math concepts, such as geometry, algebra and proportional reasoning. The hands-on simulations, videos, interactive activities, and educator guides bring the learning full circle, engaging students in an immersive experience.