Some theorems concerning factorization of Pythagorean triples are presented. (SD)

A problem solving approach to the teaching of the Pythagorean Theorem is described. (SD)

Activities in which the claims of psychics are evaluated can be used in probability classes. (SD)

A series of problems involving number theory, the law of cosines, and geometric interpretations of solutions to equations is discussed. (SD)

Application of the integral calculus to predicting supplies of oil in future years is described. (SD)

Problems related to the division of sides of triangles into congruent parts are discussed. (SD)

Worksheets and instructions are provided for measurement activities using a clinometer and hypsometer. (SD)

Properties of cones can be studied by considering the circular sector obtained by slitting and unrolling the surface of the cone. (SD)

The isometric grid geoboard can be used to demonstrate the nine-point circle theorem. (SD)

Experiments using soap films illustrate some of the most basic theorems concerning networks in a geometric framework. (SD)

A biography of an eighteenth century black American mathematician is presented. (SD)

Several activities focusing on the number 1976 are presented. (SD)

The results of the first report on the mathematical abilities of 13 and 17 year-olds by the National Assessment of Education Progress (NAEP) are summarized and interpreted. A similar article for elementary school mathematics appears in SE 514 769. (SD) Aspect of National Assessment (NAEP) dealt with in this document: Results (Interpretation).

Methods of motivating junior high school students in the study of mathematics includes use of contemporary materials, introducing topics related to history, applications, and recreations, and providing for guessing, laboratory experiences, and discovery. (SD)