Currently, they do math just like we do math. But they used to use an abacus. Here's the Wiki explanation of it. http://en.wikipedia.org/wiki/Abacus
The Abacus.
abacus
With an abacus.
8D in Mathematics is a site offering classes in ABACUS Math.
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It is through abacus that the student community become familiar with various mathematical intricacies and become wizards in the future life.So, it is essential that the guardians inspire their kids to pursue abacus so that the fear of math rigidity vanishes and their interest for math grow gradually.
If your child is struggling with basic math concepts, you may want to introduce your child to math by using an abacus. An abacus is an excellent way to cement basic math concepts because it utilizes several of the senses and is unique. It may feel antiquated, but you may be surprised at how quickly your child begins to finally understand the basic math concepts that you have been unsuccessful with in the past.
The same it has always been. To calculate math.
Abacus basically teaches the kids the tricks to solve the numbers and the mathematical problems smoothly and quickly. Best Brains learning center can help the kids absorb the abacus skills in the most satisfying and sustainable way. Our certified teacher will helps your kids to improve their Abacus Math skill very clearly. For more info, contact us at 469-356-0000
They used the abacus
It impacted society by making math problems easiers