However, you never know when you’ll need to do quick math, and the Japanese multiplication method (also called multiply-by-lines) can help you figure out the answer simply by counting.

Doing math is thought to be a uniquely human skill. We can learn the abstract concept of a number: two things or three things or four things; we can represent that concept symbolically (2, 3, 4 ...

The 3-year-olds also completed a grown-up version of the number sense test they'd taken as infants, this time pointing out which of two dot patterns contained more dots.

Bar review by Amy CavanaughThere are, it seems, two Three Dots and a Dash. There’s the crowded, noisy Three Dots, where a DJ plays Justin Timberlake and you’r ...

Over a million students, teachers, and general math lovers from more than 100 countries have signed up to participate in Global Math Week and a math activity dubbed Exploding Dots . The inaugural ...

For example, 11 is a prime number since 11 dots form only rectangular arrays of sizes 1 by 11 and 11 by 1. Conversely, 12 is not prime since you can use 12 dots to make an array of 3 by 4 dots, with ...

Pi Day is an annual celebration held on March 14 that pays tribute to the most famous constant in math and physics. Here are some facts about pi.