We’ve put together 19 brain-teasing questions covering everything from factorials and exponents to square roots and fractions. 🧠 🙀 Your task is simple: for each question, you’ll see two numbers. You ...

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“Alina Gataullina, a math major, works with other students as they talk about mathematics in the undergraduate math lounge. (Gregory Urquiaga/UC Davis)” Editor’s note: This story was originally ...

As children learn basic arithmetic, they gradually switch from solving problems by counting on their fingers to pulling facts from memory. The shift comes more easily for some kids than for others, ...

For some, it's the last real taste of innocence, and the first real taste of life.