Want to help your fifth-grader master math? Here are some of the skills your fifth-grader will be learning in the classroom. Explain or illustrate how you solved this problem. Tip: Highlight ...

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...

I have a friend who’s a world-renowned mathematician. He doesn’t think like me. Or you. Or, indeed, anyone else I know. This is a good thing — certainly for him. Especially as mathematicians of one ...