These math puzzles (answers included!) are a delightful challenge to exercise your mind. ... 33 Math Puzzles (with Answers) to Test Your Smarts. BrainSnack (3) By Meghan Jones.

What’s the viral math equation? READER'S DIGEST, GETTY IMAGES. You’ve no doubt seen this math problem (or one similar to it) making the rounds on Facebook: 4×4-4÷4+4. The equation seems so ...