“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.
Getting your Trinity Audio player ready... When Julie Selsberg’s elementary school son and daughter have math homework, Selsberg reads instructions on worksheets and learns the math before helping her ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results