Journal of the Mathematics Council of the Alberta Teachers’ Association
Volume 27 Issue 4, June 1989
30 – 36
Activities on the Natural Number Triangle: Sums and Quotients
Bonnie H. Litwiller and David R. Duncan
Consider the natural number triangle as shown in Figure I. Each row of the triangle, after the first, consists of one more natural number than the row above it. In general, the n~’ row consists of the natural numbers 1, 2, 3, . . ., n. If the triangle were extended indefinitely, all columns consist of the natural numbers.