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| Mathematics Teacher | 1 |
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| Duea, Joan | 1 |
| Ockenga, Earl | 1 |
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| Guides - Classroom - Teacher | 1 |
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Peer reviewedOckenga, Earl; Duea, Joan – Mathematics Teacher, 1985
Three worksheets are given that use calculators to free students from computational restrictions and allow them to focus on the recognition of patterns and the application of numeration concepts in the development of their estimation skills. (MNS)
Descriptors: Calculators, Computation, Estimation (Mathematics), Instructional Materials
