Curated OER
An Introduction to Mathematica and the "Birthday Problem"
Twelfth graders determine the probability of two people in their class sharing the same birthday. In this determining the probability of two people in their class sharing the same birthday problem instructional activity, 12th...
Exploratorium
Exploratorium: Museum of Science, Art and Perception
This museum provides numerous online exhibits about everything from the science of sports to the Hubble Telescope. Each exhibit includes learning ideas, fun activities, articles, and learning games.