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Cheng, Qiang; Wang, Jian – International Journal for Mathematics Teaching and Learning, 2012
As a key concept in early mathematics curriculum, number sense is crucial for children's learning of other mathematics concepts. An earlier curriculum with a strong focus on number sense development presumably helps children perform better in mathematics later on. Chinese students outperformed their United States (U.S.) peers on number sense at…
Descriptors: Mathematics Curriculum, Textbooks, Foreign Countries, Number Concepts

Reynolds, Barbara E. – College Mathematics Journal, 1993
Discusses the history of different methods of representing numbers and how these representations facilitated counting and computing devices such as the abacus. (MDH)
Descriptors: Arithmetic, Calculators, Coding, Computation