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| Needham, Dorothy | 1 |
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Needham, Dorothy – Teacher, 1978
The "geometry of distortion" and some prestidigitation show kids that lines, surfaces, and planes are not always what they seem. (Editor)
Descriptors: Concept Teaching, Elementary Education, Elementary School Mathematics, Geometry
Peer reviewedMcLeay, Heather – Mathematics in School, 1991
Described is a way to use knots to relate a three-dimensional object to a two-dimensional representation of the object. The results are used to produce an algorithm or rule to explain a general case. Included are examples, diagrams, procedures, and explanations. (KR)
Descriptors: Algorithms, Instructional Materials, Learning Activities, Manipulative Materials
