Reviews the nature of the spiral approach in the teaching of mathematics and illustrates its use with an example of teaching place value by presenting eight different expressions of this concept. The spiral approach involves building an idea, concept or an algorithm at different times in different manners. (PR)

This article is based on the thesis that elementary and secondary schools have responsibility to prepare students to deal with, and eventually control, war and violence. It explores evidence for this thesis, attempts to clarify the field, and reviews educational needs and efforts. Lists selected resources. (JB)

Discussed are some applications of Euler's Formula N plus F minus E equals Z, where N, F, and E are respectively the number of vertices, faces, and edges of a planar figure. In particular, the Four-Color Problem is proved for the special case of five countries. (CT)

Five solutions to the problems of constructing an equilateral triangle within any triangle and having the vertices on the sides of the given triangle are presented and a generalization is made. (CT)

Traced is the sociocultural framework for the system in Indian culture which emphasized duty and obligations rather than individual freedom and rights. Also discussed are contemporary changes in the caste system. (DB)