Add Yahoo as a preferred source to see more of our stories on Google. Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for ...

Every so often its good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. Can you solve 5+5x5+5 without a hitch?

Then it’s kind of a mystery to try to figure out why and how they’re related.” The Riemann hypothesis has proved to be a font ...

The question goes: "A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?" Is your knee-jerk response that the ball costs 10 cents? That is a ...