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Cox, L. S. – Arithmetic Teacher, 1975
Types of errors made by children in addition and subtraction are presented and discussed. Suggestions are given for testing, diagnosing, and prescribing for instruction. (MNS)
Descriptors: Addition, Algorithms, Diagnostic Teaching, Elementary Education

Laursen, Kay W. – Mathematics Teacher, 1978
The author mentions several broad types of student elementary algebra errors, including incorrect cancellation and cross-multiplication, notes confusing terms and factors, and gives several suggestions to help students avoid these. (MN)
Descriptors: Algebra, Algorithms, Error Patterns, Fractions