This report describes the attempt of one school district to improve its elementary mathematics program. The program was modeled after the Nuffield project with an emphasis on activity learning. The report outlines objectives, materials, facilities, and teacher education procedures. Some descriptive statistics are presented which are used to…

This geometric instructional unit concentrates on student use of three-dimensional manipulative aids. Rigorous definitions are avoided as students use categorical reasoning based on their own experiences. Through their own discovery of relationships, it is hoped students will become interested in geometry, aware of geometric forms in the world,…

This instructional unit seeks to prepare the student to exhibit competence in the mechanics of measuring and estimating angle size and in making generalizations on the nature of measurement. Experimentation with the use of circular and semi-circular protractors is encouraged. Exercises and discussion questions are given for each section.…

This guide to accompany "Geometric Excursions" contains all of the student information in SE 015 344 plus additional teacher materials. With each section are listings of objectives, equipment and teaching aids, suggested approaches, and discussion questions. Masters are provided for making transparencies and student copies of patterns…

This guide to accompany "Angle Measure" contains all of the student information in SE 015 340 plus supplemental teacher materials. A summary of terminal objectives and necessary equipment and teaching aids is given. Discussion topics, teaching suggestions, and answers appear with each section. Related documents are SE 015 334 - SE 015…