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Arithmetic Teacher1
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Schultz, James E.1
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Using a Calculator to Do Arithmetic in Bases Other than Ten.
Peer reviewed Peer reviewed
Schultz, James E. – Arithmetic Teacher, 1978
The method described here converts a given problem in a base other than ten to a related problem in base ten, solves the related problem in base ten, and converts the answer back to the original base. Limitations are discussed. (MP)
Descriptors: Addition, Algorithms, Calculators, Elementary School Mathematics
Algorithms.
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