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Mode Code.
Peer reviewed Peer reviewed
Spangler, 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
Developing Mathematical Thinking Using Codes and Ciphers.
Peer reviewed Peer reviewed
Evered, Lisa J.; Gningue, Serigne – Teaching Children Mathematics, 2001
Introduces basic principles of coding and decoding including the use of letter frequencies to decode secret messages by using the radio premium codes of Little Orphan Annie and Dick Tracy. (KHR)
Descriptors: Coding, Cryptography, Elementary Education, Instructional Materials
Check-Digit Schemes.
Peer reviewed Peer reviewed
Wheeler, 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
Numbers and Codes in Ancient Peru: The Quipu.
Peer reviewed Peer reviewed
Zepp, 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