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| Algebra | 1 |
| Functions (Mathematics) | 1 |
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| De Villiers, Michael D. | 1 |
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Peer reviewedDe Villiers, Michael D. – Mathematics in School, 1988
Describes the use of step-functions in modelling instruction. Classifies modelling into three categories: direct, analogical, and creative application. Provides and discusses modelling postal rates and other problems as examples. (YP)
Descriptors: Algebra, Functions (Mathematics), Graphs, Mathematical Applications
