## Go Figure!: Big Questions About NumbersExperience the mysterious and magical world of numbers as never before. This unique book investigates mathematical marvels such as why daisies always have 34, 55, or 89 petals, why the world''s phone numbers appear in Pi, and other patterns and paradoxes that will make readers look at numbers in a whole new way. |

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### Contents

Big numbers 36 | 1 |

Infinity and beyond 38 | 3 |

Prime suspects 40 | 5 |

Pi 42 | 7 |

Square and triangular numbers 44 | 9 |

Pascals triangle 46 | 11 |

Mathemagical tricks 48 | 13 |

Shapes with 3 sides 52 | 17 |

Shapes that stretch 66 | 31 |

Mirror mirror 68 | 33 |

Amazing mazes 70 | 70 |

Puzzling shapes 72 | 72 |

Take a chance 76 | 76 |

Chaos 78 | 78 |

Freaky fractals 80 | 80 |

Logic 82 | 82 |

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### Common terms and phrases

5-gallon pail Ahmose ancient Greeks angles answer Archimedes big numbers bigger branch of math cards chance circle coins color corners count in base cube curve decimal places digits divide dodecahedron domino dots draw Earth Egyptians ellipse exactly faces fingers fold fractal geodesic dome golden ratio golden rectangle GOLDEN SPIRALS googol Greek mathematician Here’s hexagons icosahedron Indian numbers infinite number infinity instance invented Johnny Ball Karl Gauss lateral symmetry Leonhard Euler look magic square mathematical mathematician mathematicians call maze mirror multiply nllmber octahedron palindrome paper Pascal’s triangle pattern pentagons pieces polygons prime numbers puzzle ratio rectangle Roman numbers shapes side Soccer balls solve spirals square number sticks straight lines subtract symbols tell tesselate tetrahedron things tortoise triangular numbers trick trillion trillion Truncated icosahedrons walk What’s whole numbers write zero