1 | Fill in the triangle - up to 100 | | | |

2 | Fill in the triangle - up to 200 | | | |

2 | Make each row add up to 500 | | | |

2 | Make it equal 500 | | | |

2 | Fill in the triangle - up to 500 | | | |

3 | Make each row add up to 1,000 | | | |

3 | Make it equal 1,000 | | | |

3 | Fill in the triangle - up to 1,000 | | | |

4 | Make each row add up to 10,000 | | | |

4 | Make it equal 10,000 | | | |

4 | Fill in the missing digit(s) - up to 10,000 | | | |

5 | Make each row add up to 100,000 | | | |

5 | Make it equal 100,000 | | | |

5 | Fill in the missing digit(s) - up to 100,000 | | | |

5 | Breaking up numbers | | | |