### Number patterns in Number Squares

X | 1 | 2 | 3 | 4 |

1 | 1 | 2 | 3 | 4 |

2 | 2 | 4 | 6 | 8 |

3 | 3 | 6 | 9 | 12 |

4 | 4 | 8 | 12 | 16 |

5 | 5 | 10 | 15 | 20 |

Look at this section from a multiplication square

Can you say how the rule for working out which numbers go in the white squares ?

X | 1 | 2 | 3 | 4 |

1 | 1 | 2 | 3 | 4 |

2 | 2 | 4 | 6 | 8 |

3 | 3 | 6 | 9 | 12 |

4 | 4 | 8 | 12 | 16 |

5 | 5 | 10 | 15 | 20 |

Look at this section from a multiplication square

Can you say how the rule for working out which numbers go in the white squares ?

12 | 21 | |||

16 | 24 | |||

25 | ||||

30 | 36 | 42 | ||

42 |

Here is a different part of the multiplication square. Can you fill in the missing numbers?

(look for horizontal and vertical patterns)