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Johnson, David C. – Mathematics Teaching, 1978
Four categories of abuses are discussed: calculations, games and puzzles; mystical button pushing; and checking answers. Useful activities are illustrated for the categories of calculations, patterns, exploration, applications, and new content. (MP)
Descriptors: Calculators, Computation, Elementary Secondary Education, Games
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Holmes, Emma E. – Arithmetic Teacher, 1975
Games for use in practicing rounding numbers and mental computation using tens and hundreds are described. The importance of estimation to computation is discussed. (SD)
Descriptors: Basic Skills, Computation, Elementary Education, Elementary School Mathematics