Journal of the Mathematics Council of the Alberta Teachers’ Association
Volume 17 Issue 1, September 1977
11 – 18
Rhombi on the Hundred Square: Sums, Patterns, and Proof
David R. Duncan and Bonnie H. Litwiller
The Hundred Square is a rich source of number patterns. Seeking these patterns gives the student experience in formalizing and verifying conjectures. A valuable by-product is the maintenance of computational skills.