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| Arithmetic Teacher | 1 |
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| Cramer, Kathleen | 1 |
| Post, Thomas | 1 |
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| Guides - Classroom - Teacher | 1 |
| Journal Articles | 1 |
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| Teachers | 1 |
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Peer reviewedCramer, Kathleen; Post, Thomas – Arithmetic Teacher, 1993
Defines the mathematical concept of proportionality. Uses graphs of linear relationships to explore and make generalizations about the characteristics of proportional situations to help students critically evaluate problems involving proportions. (MDH)
Descriptors: Abstract Reasoning, Formal Operations, Graphs, Mathematical Applications
