A method of showing the meaning of decimal fraction without using fraction words or notation. One technique described in detail uses large squares, strips, and small squares; using the metric system and decimal coinage is also suggested. (DT)

A small study showed that low ability students learned as much in three days' instruction as medium ability students in two days and high ability students in one day. The topic was base five numeration. (MM)

This column discusses problems involving a paper folding game for bicimals, the sum of exterior angles of polygons and polyhedra, solving quadratic equations in finite arithmetics, nomograms, and cube folding patterns. (DT)

Implication of findings for designing an introductory mathematics curriculum are discussed. (Authors)

Reviewed are the Avon materials and a set of kits for teaching the metric system. (MM)

A planning guide for a month's early education activities centered around Eskimos, their culture, and their environment. (AN)

Results are discussed in terms of why children of the same age fail to conserve number in the standard conservation task and how complex number concepts might develop. (Author)

A discussion of some number patterns which arose from a consideration of the number of diagonals of a general polygon. (MM)

Describes a method utilizing the library system to introduce children to mechanical and mental arithmetic. (RP)