Written by December 30, 2025
An Effective Mental Math Tool – The Paper Abacus or Kami Soroban
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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