This study was designed to ascertain the relative effectiveness of two approaches for teaching descriptive geometry by a comparison of the following behavioral variables--(1) performance in the solution of graphical problems, (2) spatial perception, (3) abstract reasoning ability, (4) technical information achievement, and (5) attitude toward…

Reported is a comparison of the School Mathematics Study Group (SMSG) and Suppes' approaches to teaching informal geometry in grades three and four. Twenty-eight classes (617 students) were randomly assigned to an SMSG, Suppes, or control group. The students were from lower to middle socioeconomic backgrounds and measured at or below national…

This paper appraises recent developments in the curriculum and teaching of mathematics in the secondary schools and analyzes mathematics education in the United States with particular emphasis on Nebraska. The first section focuses upon characteristics that distinguish the modern secondary school mathematics curriculum from the traditional. The…

Three methods of instructing third graders about geometric concepts are compared in this study. Methods were all presented in programed instruction packages; but differed in the types of activities incorporated: paper and pencil activities (Treatment W), activities with manipulatives such as geoboard and paper folding (Treatment M), and…