Japanese Finger Math
Finger counting also known as dactylonomy is the act of counting using one s fingers.
Japanese finger math. There are multiple different systems used across time and between cultures though many of these have seen a decline in use because of the spread of arabic numerals. Whatever the roots. With alexander s photos of hands and screenshots from an online soroban abacus i can show the. The origins of the multiplication method aren t clear.
As i looked at that neat way of counting to 99 on your two hands i finally understood soroban. Japanese students are typically much more confident in mathematics than they are in english. The reaction on weibo was seemingly mixed. Finger counting can serve as a form of manual communication particularly in marketplace trading including hand signaling during open.
A similar math calculation technique was invented by the late shi fengshou a professor at the university of science and technology of china. It may come from china japan or somewhere else. Alexander bogomolny linked his page explaining finger math. Watch and be amazed by cma philippines students doing their mental arithmetic skill demo in front of the camera.
A viral tiktok video shows an old unique way to multiply using sticks. The four beads stand for the four fingers on your hand and the separate bead for the thumb. I was often invited to maths class and teachers would try to explain things in english much to the amusement of the students. While my maths teachers back home despaired at me maths teachers in japan liked me for some reason.
Aj moschette video editing.
