The new question-of-the-week is: What has been the best math lesson you have taught and why do you think it was so good? In Part One, Beth Kobett, Jill Henry, Avery Zachery, Cindy Garcia, Molly ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. For many people, math lessons might have been a bit of a snooze fest, but this third-grade teacher has found a way to ...

It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.