Olivia shares a simple multiplication trick that makes two digit multiplication easier when the numbers end in 1.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Multiplication of two numbers is easy, right? Around 1956, the famous ...

Multiplication of two numbers is easy, right? At primary school we learn how to do long multiplication like this: Methods similar to this go back thousands of years, at least to the ancient Sumerians ...

Four thousand years ago, the Babylonians invented multiplication. Last month, mathematicians perfected it. On March 18, two researchers described the fastest method ever discovered for multiplying two ...

Multiplying 2 x 2 is easy. But multiplying two numbers with more than a billion digits each — that takes some serious computation. The multiplication technique taught in grade school may be simple, ...