Stacker puts together a list of facts you learned in school that are no longer true.

Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in ...

Professional mathematicians have been stunned by the progress amateurs have made in solving long-standing problems with the ...

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When Mike Kenny was a fifth-grade teacher in Essex Junction, he learned early in his career that the traditional way to teach math, which includes repetitive practice of math problems, did not work ...

Math scores in the U.S. have been so bad for so long that teachers could be forgiven for trying anything to improve them. Unfortunately, many of the strategies they’re using could be making things ...

Roland Hosch is into math. And robotics. And computers. The fifth-grade teacher at Redlands’ Kimberly Elementary School has blended it all together in his math classes. And the result has won him ...

Mike Kenny didn’t intend to create an educational web app — he was just looking for a way to help students master their multiplication tables. In 2013, as a graduate student in the Vermont Mathematics ...

American students are experiencing a math crisis marked by a decline in scores that began over a decade ago and rapidly accelerated in the wake of the pandemic. Almost 4 in 10 eighth graders scored ...

From the Birthday Paradox to the secrets of Pi, these 15 math facts prove the universe runs on some truly strange numbers. You’ll never look at math the same way again. Why China moved so quickly to ...