Who says math can't be fun?! Try these math puzzles for a delightful challenge. Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on ...

Find the answer for Two-dimensional surface in math from the people who brought you the USA TODAY Daily Crossword Puzzle.

Math puzzles PRO 2 increases your logical thinking. Hi! I’m Keza MacDonald, a video games journalist of 15 years’ experience with two small kids and a teen stepkid. I’m… Hello, my darlings! It is me, ...

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One string in each of the following pairs can be unraveled into a circle—the so-­called unknot. Which one is it? Show puzzle solution The knots at the top left and the bottom right can be unraveled ...

The following is adapted from the introduction to “The Riddler: Fantastic Puzzles from FiveThirtyEight,” published by W. W. Norton & Co. It is in stores today! The world’s oldest collection of math ...