We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

Here’s a simple-sounding problem: Imagine a circular fence that encloses one acre of grass. If you tie a goat to the inside of the fence, how long a rope do you need to allow the animal access to ...

Math isn’t just about answers—the process matters, too. These strategies spotlight reasoning and reveal student thinking.

I wonder what math classes were like for you when you were young. With no desire to boast, I was always slightly above the average but struggled to push through to the more advanced levels. When my ...

Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

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