Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|

rational numbers khan academy | 0.45 | 0.3 | 6039 | 11 | 29 |

rational | 0.16 | 0.4 | 9408 | 72 | 8 |

numbers | 1.88 | 0.9 | 5172 | 15 | 7 |

khan | 1.97 | 0.5 | 4320 | 83 | 4 |

academy | 0.16 | 1 | 2036 | 88 | 7 |

Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|

rational numbers khan academy | 1.62 | 0.1 | 2655 | 42 |

So let's talk a little bit about rational numbers. And the simple way to think about it is any number that can be represented as the ratio of two integers is a rational number. So for example, any integer is a rational number. 1 can be represented as 1/1 or as negative 2 over negative 2 or as 10,000/10,000.

And it turns out-- as you can imagine-- that actually some of the most famous numbers in all of mathematics are not rational. And we call these numbers irrational numbers. And I've listed there just a few of the most noteworthy examples.

Percent word problems Comparing rational numbers Adding & subtracting rational numbers: 79% - 79.1 - 58 1/10 Up Next Adding & subtracting rational numbers: 79% - 79.1 - 58 1/10 Our mission is to provide a free, world-class education to anyone, anywhere.

The sum of an irrational and a rational is going to be irrational. The product of an irrational and a rational is going to be irrational. So there's a lot, a lot, a lot of irrational numbers out there.