Come spring, everyone's a joker about math. That's because every March 14 — 3.14, that is — is Pi Day, so named for the set of numerals that make up its date. Sure, pi is technically the ratio of the ...

Do you know your geometry from your arithmetic and your fractions from your logs? Let’s find out! Think of this as a math class without the quizzes, where every problem has a twist solution, every ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you loved school or hated it, chances are good that you had a teacher you loved. Someone who helped you understand a tough ...