There's a new way to work out, while staying in; streaming fitness classes give customers online training for a fraction of the price of gyms or boutique sessions, reports CBS News correspondent ...

“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.

“What is a fraction?” asked Denise Pusateri, JPS mathematics coordinator, to a group of fifth and sixth grade teachers. The question may seem to have an easy answer but with the new Common Core ...

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...