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Peer reviewedBennett, Albert B., Jr.; Musser, Gary L. – Arithmetic Teacher, 1976
Addition and subtraction of integers can be approached through the use of chips of two colors. (SD)
Descriptors: Addition, Curriculum, Elementary Education, Elementary School Mathematics
Peer reviewedImmerzeel, George; Wiederanders, Don – Arithmetic Teacher, 1971
Four worksheets showing how number patterns may be used to give extra practice and insight into the decimal numeration system and the basic properties of arithmetic. (MM)
Descriptors: Addition, Arithmetic, Elementary School Mathematics, Instruction
