Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|

soroban math | 0.72 | 1 | 1071 | 17 | 12 |

soroban | 0.59 | 0.8 | 2916 | 39 | 7 |

math | 1.54 | 0.3 | 2350 | 70 | 4 |

Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|

soroban math | 1.82 | 0.8 | 9966 | 78 |

soroban math practice | 0.05 | 0.1 | 4095 | 63 |

soroban abacus math | 0.9 | 0.3 | 1781 | 83 |

mental math soroban | 1.31 | 0.2 | 7988 | 89 |

cmath soroban math curriculum | 0.01 | 0.8 | 3408 | 58 |

Once the eyes are exposed long enough, through use, to the Soroban, you no longer need the soroban or a calculator to do the math. True virtual reality in 2020. Children that use the abacus to learn math can create a virtual image (anzan) of the abacus to perform mental calculations.

Representation of numbers. The soroban uses a decimal system, where each of the rods can represent a single digit from 0 to 9. By moving beads towards the reckoning bar, they are put in the "on" position; i.e., they assume value. For the "five bead" this means it is moved downwards, while "one beads" are moved upwards.

Originating in Japan and now used worldwide, the Soroban abacus is the most effective and most powerful tool for teaching children math, more so, mental math. Once the eyes are exposed long enough, through use, to the Soroban, you no longer need the soroban or a calculator to do the math.

The mastery of anzan is one reason why, despite the access to handheld calculators, some parents still send their children to private tutors to learn the soroban. The soroban is also the basis for two kinds of abaci developed for the use of blind people. One is the toggle-type abacus wherein flip switches are used instead of beads.