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| Singh, Parmjit | 1 |
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Peer reviewedSingh, Parmjit – International Journal of Mathematical Education in Science and Technology, 2000
Investigates the concepts of ratio and proportion constructed by grade 9 students by investigating their proportional reasoning schemes and procedures on three types of tasks: missing value, numerical comparison, and qualitative reasoning. Indicates that students frequently used additive reasoning--that is, a comparison of two numbers by…
Descriptors: Abstract Reasoning, Cognitive Processes, Concept Formation, Foreign Countries
Bacza, Gerald L.; And Others – 1978
The result of a curriculum development project known as Project Open, this curriculum guide offers a course on communication technology to ninth graders who are participating in the Career Exploration in Technology program and have completed the eighth grade course. Nineteen units form the subject matter of the guide: an introduction, visual…
Descriptors: Affective Objectives, Career Exploration, Cognitive Processes, Communications
