Squares of Numbers ending in 5 |

Multiplying numbers by 11-19 in less than five seconds |

Insant Subtractions |

Speed Division by 9 |

The Pythagoras Theorem |

Fast Square Of Number Ending In 5 And Fast Multiplication By 11 |

Squares of Numbers ending in 5 |

Multiplying numbers by 11-19 in less than five seconds |

Insant Subtractions |

Speed Division by 9 |

The Pythagoras Theorem |

Fast Square Of Number Ending In 5 And Fast Multiplication By 11 |