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Peer reviewed Peer reviewed
Hennemann, A. Louise; Hennemann, Willard – School Science and Mathematics, 1983
Use of the hand-dialed, transparent, nonelectronic SEE-Calculator is proposed. Pupils can dial numbers into appropriate columns, watching the gears work; place-value concepts are enhanced. Both activities and flowcharting are suggested. (MNS)
Descriptors: Algorithms, Audiovisual Aids, Calculators, Computation
Peer reviewed Peer reviewed
Wearne, Diana; Hiebert, James – Arithmetic Teacher, 1994
Compares the development of two students' understanding of addition and subtraction. One student's understanding is based on memorized rules and the other's on understanding the concept of place value. Discusses the effects of different goals for instruction and the importance of understanding place value. (MDH)
Descriptors: Addition, Algorithms, Cognitive Style, Elementary Education