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Peer reviewedSpangler, David B. – Mathematics Teaching in the Middle School, 1999
Features a question that focuses on the use of cryptology to teach modes. (ASK)
Descriptors: Coding, Junior High Schools, Mathematics Activities, Mathematics Instruction
Peer reviewedWheeler, Mary L. – Mathematics Teacher, 1994
Discusses the study of identification codes and check-digit schemes as a way to show students a practical application of mathematics and introduce them to coding theory. Examples include postal service money orders, parcel tracking numbers, ISBN codes, bank identification numbers, and UPC codes. (MKR)
Descriptors: Algebra, Coding, Mathematical Applications, Mathematics Curriculum
Peer reviewedZepp, Raymond A. – Arithmetic Teacher, 1992
Describes the Quipu, a mathematical device invented by the Incas of Peru that used the base-10 number system to store information. Suggests ways of incorporating material on the quipu into the arithmetic class. (MDH)
Descriptors: Arithmetic, Coding, Cultural Activities, Cultural Education
