A lovely presentation in which slide after slide outlines the many educational, physical, emotional, and social benefits of gardening in schools. This presentation is meant to be shown to parents, and would be a terrific choice to...

Take a walk through time, 1852 to 2005, following the mathematical history, development, and solution of the Four-Color Theorem. Learners take on the role of cartographers to study a United States map that is to be...

Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...