Build Calculation Speed Practicing the 10 Pair Complements
The main method of addition and subtraction on the abacus is understanding and using the 5 complement pairs of 10, i.e. pairs of numbers that add to 10. There are only 5 complement pairs in our base 10 numbering system: 9 and 1, 8 and 2, 7 and 3, 6 and 4, and 5 and 5. The faster
Take a Multi-Sensory Approach to Learn Arithmetic with Abacus Math
When we think about learning and learning efficiency we must consider how the brain receives information from the outside world. Most learning information we receive comes to us through our senses. We also know that the more different ways we can experience learning the deeper the learning experience. So what if we thought about learning
Tips and Thoughts on How to Develop Your Mental Math and Mental Calculation Skills?
To develop strong mental calculation skills, i.e. mental math, we first need to learn the required bead movements on the abacus. The entire concept of mental calculation is based on the knowledge of the soroban bead movements needed to solve the problem. But knowing how to move the beads to solve a problem is not enough for
An Effective Mental Math Tool – The Paper Abacus or Kami Soroban
This is an introduction to using a mental math tool called the Kami Soroban or Paper Soroban. The Kami Soroban will help students develop strong mental images of the abacus bead movements used to during mental calculation. As students progress through their abacus math training, they naturally develop the ability to visualize all the same