“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.
A Wall Street Journal opinion article drew considerable attention to Common Core (CC) math standards—particularly the sixth-grade standard for fractional division— in early August. In it, math ...
In math, students work with whole numbers and place value. They group numbers into 10s and 1s, and learn to add and subtract up through 20. They use charts, tables and diagrams to solve problems. In ...
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