“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.

For many elementary teachers, fractions have traditionally sprung to mind lessons involving pizzas, pies, and chocolate bars, among other varieties of “wholes” that can be shared. But in what many ...

This article is the second in a series that provides alternate and common-sense interpretations of the Common Core math standards. In the first article, I said Common Core (CC) lends itself to ...

A Wall Street Journal opinion article drew considerable attention to Common Core (CC) math standards—particularly the sixth-grade standard for fractional division— in early August. In it, math ...

Fifth-grader Nora Meier uses a tablet computer to record information she and a partner gathered from third-graders at Lewis Elementary. This year the Southeast Portland school is issuing a Chromebook ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. Forty-two states ...

This story was produced by the Hechinger Report, a nonprofit, independent news organization focused on inequality and innovation in education. Read more about the Common Core. SAN ANTONIO—Karen Demore ...