Some handy math tricks can help you figure out each of these situations quickly — and without having to resort to pulling out the calculator on your phone. We've assembled eight such tricks below.

Unlock rapid mental math skills with abacus tricks! Learn basic addition, subtraction, and advanced techniques using easy examples. Boost concentration and speed.

Discover simple and fun subtraction tricks for kids! Learn easy mental math shortcuts to boost confidence and make subtraction enjoyable for young learners.

The popular language learning app is betting that its gems, streaks and leaderboards will teach elementary school children—and adults—basic math.