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Peer reviewedThwaites, G. N. – Mathematics in School, 1989
Discusses a counting system and number operations. Suggests six distinct areas in a "number" subject: one-to-one correspondences; simple counting process; complicated counting process; addition and multiplication; algorithms for the operations; and the decimal system. (YP)
Descriptors: Arithmetic, Computation, Elementary School Mathematics, Mathematical Concepts
Peer reviewedKrusen, Kim – Arithmetic Teacher, 1991
Described is an activity in which students develop their own number system. This activity allow students to examine the structure and history of number systems and to discover the power and respectable efficiency of the number system used today. (KR)
Descriptors: Elementary Education, Elementary School Mathematics, Learning Activities, Mathematical Concepts
