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# Unit 1: Real Number

### Real number system

Question | Answer |
---|---|

Real Number System | A system of numbers that include natural, whole, integers, rational and irrational numbers. |

Natural Numbers | Counting numbers; begins with one and goes to infinity. |

Whole numbers | counting numbers and zero |

Integers | Positive whole numbers, zero, and negative whole numbers |

Rational Numbers | Positve whole numbers, zero, negative whole numbers, fractions, repeating and ending decimals |

Irrational numbers | Numbers that never end nor have a repeating pattern |

Order of Classifying Rational Numbers | Natural, Whole, Integer, and rational numbers |

All whole numbers are in the set of integers. | True |

All rational numbers are in the set of natural numbers | False |

All integers are in the set of real numbers. | True |

All natural numbers are in the set of irrational numbers. | False |

All rational numbers are in the set of integers. | False |

All integers are in the set of rational numbers. | True |

All irrational numbers are in the set of whole numbers. | False |

All whole numbers are in the set of rational numbers. | True |

All natural numbers are in the set of integers. | True |

All integers are in the set of whole numbers. | False |

Created by:
ttholmon