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| Avital, Shmuel | 1 |
| Grinblat, Uri | 1 |
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Peer reviewedAvital, Shmuel; Grinblat, Uri – Arithmetic Teacher, 1983
The material focuses on the power and usefulness of the number three and is presented as though the number was being interviewed. Among the issues covered in the presentation is the impossibility of dividing an angle into three equal parts using just a straight edge and a compass. (Author/MP)
Descriptors: Elementary Secondary Education, Instructional Materials, Interviews, Mathematical Concepts
