### Project 1.1

Find some puzzles, tricks, or magic stunts that are based on mathematics. Write a paper describing the tricks and also indicate why they work.

**References:**

**William Schaaf**,* A Bibliography of Recreational Mathematics* (Washington, D.C.: National Council of Teachers of Mathematics, 1970).

See also the Journal of Recreational Mathematics.

Try this search engine: YAHOO Search Results:

http://search.yahoo.com/bin/search?p=math+puzzles

(over 50 excellent sources)