Truthfully, David Glefke, 8, of Prospect Heights would rather be out in-line skating than sitting in a church basement twice a week, doing math drills. “I don’t like math at school,” David said, after ...

TOKYO -- An app developed in Japan for people to learn the abacus-method of math calculation skills is gaining global popularity, with more than 8,000 students at home and abroad using the app to ...

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 ...