Want to help your sixth-grader master math? Here are some of the skills your sixth-grader will be learning in the classroom. In a herd of horses, the ratio of legs to tails is 4 to 1 (or 4:1) because ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...

“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.

Dividing a fraction by a fraction can be confusing. There’s something called the reciprocal — or a multiplicative inverse? — and at some point you have to flip a fraction or change something or ...