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Peer reviewedBeattie, Ian D. – Arithmetic Teacher, 1986
A series of nine activities that illustrate prime factorization and other elementary number theory ideas in concrete, representative, and symbolic form are described. (MNS)
Descriptors: Concept Formation, Elementary Education, Elementary School Mathematics, Learning Activities
Peer reviewedGraviss, Tom; Greaver, Joanne – Mathematics Teacher, 1992
Shares a coded version of the number line to provide concrete experiences for learning abstract concepts. Using the fundamental theorem of arithmetic, appropriate coded symbols are determined for the prime factorization of each natural number and used to study the concepts of greatest common divisor, least common multiple, square roots, and…
Descriptors: Coding, Concept Formation, Grade 9, High Schools
