This is an activity that shows that probabilities of getting head/head, head/tail, and tail/tail when you throw 2 coins at the same time 30 times.
This explores the history of coins. Teachers can find lesson plans on charting history with pennies, or showing students 293 ways to make change for a dollar. Students can learn how to start their own coin collection, travel back through history using coins as their guide, or design a future coin.
Hard Cash shows coins being sorted and asks the students to describe what metals are used in making coins and why.
The module covers the techniques and challenges associated with image acquisition
This site invites kids to start a collection of rocks, shells, postcards, posters, or something else that interests them. Three Smithsonian collections are sampled. Rocks and Minerals includes the Hope Diamond; Stamps includes Western Cattle in Storm (1898); Historic Coins includes the Jefferson Indian Peace Medal.
