When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

In math, students extend their understanding of place value to the hundreds place. They use this to solve word problems, such as those involving length and other units of measure. Students add and ...

A correction to an earlier version of this article has been appended to the end of the article. When Veera Sinha was a little girl in India, her father asked his kids to solve math puzzles in their ...

Add Yahoo as a preferred source to see more of our stories on Google. Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying ...

WESTERLY, R.I. -- Any adult who has tried to help a second-grader with homework has noticed math is not what it used to be. Now schools are unlocking the secrets of Common Core math for mystified ...

Cookies and math tend to go together in an elementary school classroom. And not always as reward for a correct answer. Teachers use them as conceptual props to explain an operation like division. It ...

You might also remember the photo of a check that went viral not that long ago — a man filled out a check to his son’s school by attempting to write the check amount in ten frames. There have been ...

Three school math problems have thousands of people on Facebook and Reddit talking. The reason? Even though the students' answers appear to be totally correct, they were still marked wrong. Here's one ...