Arithmetic is the science of numbers, and also the art of computation. This textbook presents mental and written arithmetic through simple numbers. [This book was written by the Brothers of the Christian Schools and published by De La Salle Institute.]

Examples of unrealistic'' mathematics and mathematical reasoning are presented and discussed. (DT)

Summarizes a survey concerning the need for statistical typists. (JS)

A digital bracelet is a cyclic sequence of digits in which each term is the units' digit of the sum of the previous "N" terms. This article discusses some properties of the digital bracelet with N=4 which starts 1, 9, 7, 1. (MM)

Articles on the factorization of polynomials using a rejection theorem; a general formula for the N-th of a sequence; and integration by undetermined coefficients. (MM)

The use of two rulers to teach negative numbers is described. (DB)

Both students and adults preferred number and color to form groups. Number and color were equally difficult, form being the most difficult grouping. Illiterate adults sorted as well or better than students when given a task believed to be functional in the Mano culture. (DB)