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| Mathematics Teaching | 2 |
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| Morley, Arthur | 1 |
| Robin, Anthony C. | 1 |
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Robin, Anthony C. – Mathematics Teaching, 1972
Descriptors: Algebra, Algorithms, Calculus, Manipulative Materials
Morley, Arthur – Mathematics Teaching, 1978
Described are two methods of calculating developed by the Dutch WISKOBAS Project: addition and subtraction with a loop abacus and multiplication using a grid model. (MP)
Descriptors: Addition, Algorithms, Cognitive Development, Computation
