A step-by-step procedure for converting a secondhand platform balance to the metric system is outlined for use as a student project. (MP)

Pick's Theorem, a statement of the relationship between the area of a polygonal region on a lattice and its interior and boundary lattice points, is familiar to those whose students have participated in activities and discovery lessons using the geoboard. The proof presented, although rather long, is well within the grasp of the average geometry…

The introduction of prime numbers in the intermediate grades should be handled with care or the concept will appear arbitrary, artificial, and unreal to the pupils. The approach suggested here is in the form of a game-like activity. A knowledge of multiplication and factors is a prerequisite. (BB)

This activity, for grades 7-12, requires students to lay out an arena for training horses. To do this the students compute the sum of metric linear measures, compute the circumference of circles and semi-circles, and use the Pythagorean Theorem. (BB)

The direct quote word problem from scientific literature is suggested as a means of demonstrating the relevance of mathematics to other fields. (MP)

The greatest need for further study as seen by in-service teachers is in the area of the instruction process and not more mathematics content courses. (MP)

Teachers can determine the content validity of standardized tests before using them. Two tests are compared to illustrate the process. (MP)

Studied was how high school science and mathematics students approach tasks that require correlational reasoning for successful solution. The results show that a significant number of students did not use correlational reasoning. (MP)

This survey reports data showing that mathematics courses generally use a modern approach but that there appears to be a slightly increased preference for traditional mathematics. (MP)

Discussed are results from an eleven item questionnaire given to secondary school students regarding classroom activities. Results indicate that no major changes have occurred or will occur in classroom procedures. (MP)

Sequences resulting from variations of the conditions of the original Fibonacci problem are investigated. (MN)

Construction of a series of 13 nested, regular tetrahedrons from 12 square sheets of paper without using geometric instruments, scissors, or glue is described. (MN)

A BASIC computer program based on a game that involves picking the appropriate weighings to find an odd base from among 13 balls in three tries is discussed. A sample run is included. (MN)

The authors derive distance formulas in two-and-three-dimensional coordinate geometry utilizing the concept of similar triangles and the Pythagorean theorem. (MN)

The results of a poll of high school algebra students concerning their perception of what constitutes a good mathematics teacher are given. Many of the students felt that a good mathematics teacher is one who takes into account a student's learning difficulties. (MN)