“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.
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 ...
Texas Attorney General Greg Abbott issued an opinion yesterday related to the Common Core school standards, a voluntary national program Texas is not participating in. In spite of Texas' ...
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