Add Yahoo as a preferred source to see more of our stories on Google. A TikTok video of a novel, ancient multiplication method has gone viral. While the user, jesslouisec, calls the method Japanese ...

We’ve often noted that whether had ancient man known binary, we could all count to 1023 on our fingers. We thought about that while watching [Numberphile’s] latest video about “Russian” multiplication ...

When I first saw this Japanese multiplication method, I just couldn’t believe it. Then I tried it and it works perfectly, but still can’t understand how it works—or how anyone found this method. You ...

Students in some local elementary schools are learning a completely different way of doing multiplication. It’s a technique that many parents can’t understand. It’s called lattice multiplication. The ...

This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2) = ? If you divide 8 by 2 first, you get 16, but if you multiply 2 by (2 + 2) first, you get 1. So, which answer is right?

A viral TikTok video shows an old, unique way to multiply using sticks. The origins of the multiplication method aren't clear. It may come from China, Japan, or somewhere else. Whatever the roots, ...