Across |

1. | A number multiplied by itself: eg 3x3=9. This number called a ... |

7. | Find the difference between is another term for ... |

8. | I am a polygon with eight sides and eight interior angles |

9. | The first digit after a decimal point is called ... |

11. | To calculate: Just add up all the numbers, then divide by how many numbers there are. This gives the ... |

13. | This symbol < means… |

14. | These angles are 90 degrees |

16. | To calculate this you use this formula: length x breadth. Can be measured in squared centimetres. |

18. | The distance around the edge of a circle (or any curvy shape). It is a kind of perimeter |

20. | ... means parts per 100 |

21. | This type of number can be divided evenly only by 1, or itself eg 3, 5, 7, 9 |

22. | A ... is a box-shaped solid object. It has six flat sides and all angles are right angles |

24. | If three quarters is equal to nine twelfths, it is known as an …fraction |

26. | The distance from the centre to the edge of a circle is called the ... . It is half of the circle's diameter |

27. | To calcuate this you use this formula: length x breadth x height |

28. | The distance around the outside of a shape |

29. | I have four straight edges and all my sides are the same length. They are parallel and I have four corners |

30. | This is the difference between the highest and the lowest value of the thing being measured |