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McDowell, Eric L. – Mathematics Teacher, 2016

By the time they reach middle school, all students have been taught to add fractions. However, not all have "learned" to add fractions. The common mistake in adding fractions is to report that a/b + c/d is equal to (a + c)/(b + d). It is certainly necessary to correct this mistake when a student makes it. However, this occasion also…

Descriptors: Fractions, Number Systems, Number Concepts, Numbers

Wilson, Frank C.; Adamson, Scott; Cox, Trey; O'Bryan, Alan – Mathematics Teacher, 2011

The mathematical topic of inverse functions is an important element of algebra courses at the high school and college levels. The inverse function concept is best understood by students when it is presented in a familiar, real-world context. In this article, the authors discuss some misconceptions about inverse functions and suggest some…

Descriptors: Misconceptions, Mathematics Instruction, Educational Strategies, Teaching Methods