Multiply by 8 using the grouping of objects, arrays, and facts you already know. Explore the Multiply by 8 facts using the grouping of objects and arrays. Compete against characters to see who finds ...

“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.

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 ...