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| Activity Units | 1 |
| Elementary School Mathematics | 1 |
| Elementary Secondary Education | 1 |
| Geometric Concepts | 1 |
| Instructional Materials | 1 |
| Learning Activities | 1 |
| Problem Sets | 1 |
| Problem Solving | 1 |
| Triangles (Geometry) | 1 |
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| Arithmetic Teacher | 1 |
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Peer reviewedDana, Marcia E.; Lindquist, Mary Montgomery – Arithmetic Teacher, 1978
Given are activities involving the use of triangles and triangle paper, in the form of problems that require searching for different possibilities to fit a given condition. (MP)
Descriptors: Activity Units, Elementary School Mathematics, Elementary Secondary Education, Geometric Concepts
