For many elementary teachers, fractions have traditionally sprung to mind lessons involving pizzas, pies, and chocolate bars, among other varieties of “wholes” that can be shared. But in what many ...
“Who would draw a picture to divide 2/3 by 3/4?” asked Marina Ratner, a professor emerita of mathematics at the University of California at Berkeley, in a recent Wall Street Journal opinion piece.
Under Common Core, it takes far too long for a teacher to show a student how to do simple addition, said Texas Gov. Greg Abbott. In 2013, the Texas Legislature passed a law prohibiting school ...
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