A number is a mathematical object used to count, measure and label.

**Types of numbers**

1. **Natural Numbers** (**N**)

2. **Whole Numbers** (**W**)

3.** Integers** (**Z**)

4. **Rational numbers** (**Q**)

5. ** Real numbers** (**R**)

1 one |
2 two |
3 three |
4 four |
5 five |

6 six |
7 seven |
8 eight |
9 nine |
10 ten |

11 eleven | 12 twelve | 13 thirteen | 14 fourteen | 15 fifteen |

16 sixteen | 17 seventeen | 18 eighteen | 19 nineteen | 20 twenty |

21 twenty-one | 22 twenty-two | 23 twenty-three | 24 twenty-four | 25 twenty-five |

26 twenty-six | 27 twenty-seven | 28 twenty-eight | 29 twenty-nine | 30 thirty |

31 thirty-one | 32 thirty-two | 33 thirty-three | 34 thirty-four | 35 thirty-five |

36 thirty-six | 37 thirty-seven | 38 thirty-eight | 39 thirty-nine | 40 forty |

41 forty-one | 42 forty-two | 43 forty-three | 44 forty-four | 45 forty-five |

46 forty-six | 47 forty-seven | 48 forty-eight | 49 forty-nine | 50 fifty |

51 fifty-one | 52 fifty-two | 53 fifty-three | 54 fifty-four | 55 fifty-five |

56 fifty-six | 57 fifty-seven | 58 fifty-eight | 59 fifty-nine | 60 sixty |

61 sixty-one | 62 sixty-two | 63 sixty-three | 64 sixty-four | 65 sixty-five |

66 sixty-six | 67 sixty-seven | 68 sixty-eight | 69 sixty-nine | 70 seventy |

71 seventy-one | 72 seventy-two | 73 seventy-three | 74 seventy-four | 75 seventy-five |

76 seventy-six | 77 seventy-seven | 78 seventy-eight | 79 seventy-nine | 80 eighty |

81 eighty-one | 82 eighty-two | 83 eighty-three | 84 eighty-four | 85 eighty-five |

86 eighty-six | 87 eighty-seven | 88 eighty-eight | 89 eighty-nine | 90 ninety |

91 ninety-one | 92 ninety-two | 93 ninety-three | 94 ninety-four | 95 ninety-five |

96 ninety-six | 97 ninety-seven | 98 ninety-eight | 99 ninety-nine | 100 one hundred |