Elementary school activities designed for celebraing the significant dates of each school month, excluding December, are described in this compilation. The collection covers birthdays of well-known people, historical events, mathematics, writing, reading, science, history, social studies, art, and cooking. (JW)

Postulated here is the notion that the exploration of number patterns with calculators is a valuable mathematical learning activity that should be commenced in the primary grades. Various activities are presented that make use of the constant function key, which is available on many of the inexpensive four-function calculators. (JJK)

The development of the place value system and its universal use demonstrate the elegance and efficiency of mathematics. This paper examines the concept of place value by: (1) presenting the historical development of the concept of place value in the Hindu-Arabic system; (2) considering the evolution of the number zero and its role in place value;…

A card game, "Mercado," or Market Rummy, designed to teach basic market skills to rural Ecuadorians is described. Two to five people can play the game, which is presently used in night community meetings and in the educational program in coastal cooperatives. The game consists of two decks of cards: one represents money, the other…