Activities for the Elementary Classroom - Janine Parker Lesson plans for children in grades one through six about topology, number patterns, and geometry. The grocery store is one of the best examples of a place where math is real. The integers 61 and 62 have been very much in the news this summer. Most of these problems involve basic math concepts such as the digits which compose numbers and area. This is an electronic journal devoted to papers dealing with integer sequences and related topics.
All papers are available as html documents.
The earliest known depiction of juggling is on the wall of an Egyptian tomb nearly 4,000 years old. The painting shows a woman keeping three balls aloft. They look at the order in which balls are tossed into the air and then caught. A summary of what is known today about Lehmer's Conjecture, including descriptions of algorithms, histories of searches performed, and various lists of polynomials with small measure. References and a thesis available for downloading.