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“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.

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

Funded by a $3 million Investing in Innovation (i3) grant from the Department of Education, Elizabeth Public Schools, which educates 23,374 students in 33 schools in New Jersey, will expand its use of ...