Three questions dealing with hypothesis testing are presented. Activities that can be best worked with calculators as tools are detailed and suggestions for extensions of these problems are given. (MP)

A mathematical treatment of the relationship between driving speed and fuel efficiency is presented. The material involves applications of exponentials, logarithms, and elementary calculus, and is intended to be enrichment material for secondary and lower college mathematics classes. (MP)

The use of clock arithmetic patterns to make geometric patterns is presented as a tool to instruct students in the understanding of multiples in different systems. (MP)

The use of educational games as an instructional tool is promoted and criteria are presented that teachers could use in selecting games. (MP)

Activities designed to help pupils develop spatial abilities with cubes and right angles are presented. Instructions for manufacturing the special three-dimensional objects described are included. (MP)

A lesson for secondary mathematics pupils on prime numbers designed to capture student interest is presented. The emphasis is on developing lessons that act as motivating forces in the classroom. (MP)

The construction of tesselations as a mathematics activity for young children is presented. (MP)

Describes a project combining precalculus and transition mathematics students focusing on popcorn by comparing popping ratios of different brands of popcorn and finding what size box could hold the most popped corn. Project design required group effort and cooperation. Students exhibited growth of positive attitudes toward the study of mathematics…

Graphs from media sources and questions developed from them can be used in the middle school mathematics classroom. Graphs depict storage temperature on a milk carton; air pressure measurements on a package of shock absorbers; sleep-wake patterns of an infant; a dog's breathing patterns; and the angle, velocity, and radius of a leaning bicyclist…

Features articles about physical therapy and its history as related to geometry through measurement of body angles. Includes open-ended worksheets for mathematics activities that introduce students to angle measurement, data analysis, and mathematical tools. Activities include: (1) Making Your Own Goniometer; (2) Range of Motion; (3) Active versus…

Describes four activities designed to discover numerical patterns using a calculator or paper and pencil. Provides tables and figures for the activities. (YP)

Discussed are the use of probability simulations in a mathematics classroom. Computer simulations using regular dice and special dice are described. Sample programs used to generate 100 rolls of a pair of dice in BASIC and Logo languages are provided. (YP)

The history of the International Mathematical Olympiad (IMO) is presented, emphasizing U.S. participation, competitive events leading to selection of an American team, and rewards of the program. Also revealed are results of a survey of 58 American IMO participants and personal views of six American participants to the 1986 IMO. (JDD)

Describes a Saturday Academy containing three basic components (electrical engineering, computer science, and mathematics) designed to provide enrichment experiences for academically talented minority youth without cost to them. Discusses the results reported by parents, faculty, and alumni. (YP)

Describes how to check constructions measuring with a protractor or compass and using LOGO programs. The LOGO program and directions are included. (YP)