School math, multimedia, and technology tutorials.
In Japanese language, the abacus is called soroban. In this tutorial, we are going to learn how to use the soroban. In Japan, students start learning how to use abacus formally in the third grade.
Believe it or not, in these modern time, some tellers in Japan still use abacus. And when they calculate, they are almost as fast as when using a calculator. Or maybe even faster.
Shown above is a figure representing a Japanese abacus. » Read more
Today marks the 5th year of Mathematics and Multimedia. As of this writing, 1088 articles has been published in this blog. It has more than 5,000 subscribers and has been viewed more than 3 million times.
The most visited page is the GeoGebra Tutorial Series which has more than 50 step by step tutorials on how to use GeoGebra.
You might also want to read the following articles which has been several of the all-time favorites.
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Kyle Gurkovich, a middle school math teacher from New Jersey broke the pull up world record. He made 4182 pull ups in 24 hours breaking the previous record made by a Navy Seal.
Gurkovich came up with the idea of pull ups in order o raise funds for cancer research. He was able to raise $8060 which he donated to Memorial Sloan Kettering Cancer in New York City.
Guinness recognized Gurkovich’s record.
Gurkovich is set to break his own record this November.
How cool is that huh?