**unit 3.6: order of operations with rational numbers**

**WHAT DO WE NEED TO KNOW?**

**What are rational numbers?**

How to add,, subtract, multiply and divide rational numbers

To subtract rational numbers, we add the opposite

The order of operations you have used thus far

How to add,, subtract, multiply and divide rational numbers

To subtract rational numbers, we add the opposite

The order of operations you have used thus far

**class notes**

9_-_unit_3.6.pdf | |

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**more information**

**You may notice that BEDMAS, in certain occasions, is substituted by PEMDAS:**

P - Parenthesis

E - Exponents

M D - Multiplication and/or Division

A - Addition

S - Subtraction

The fact that either BEDMAS or PEMDAS is used is an iindication of a very important thing to note:

Here is a more in-depth explanation of the order of operation for integers, with some examples worked out. If you understand how to manipulate the order of operation with integers, you are set! That's because it is applied the same way for decimals and fractions.

P - Parenthesis

E - Exponents

M D - Multiplication and/or Division

A - Addition

S - Subtraction

The fact that either BEDMAS or PEMDAS is used is an iindication of a very important thing to note:

__.__*Multiplication and Division are AT THE SAME LEVEL! That is, EITHER ONE CAN BE PERFORMED FIRST*Here is a more in-depth explanation of the order of operation for integers, with some examples worked out. If you understand how to manipulate the order of operation with integers, you are set! That's because it is applied the same way for decimals and fractions.

9e_unit_3.6_.pdf | |

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**A couple of examples for decimals and fractions:**

9e_unit_3.6_-_2.pdf | |

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**Pay particular attention to the following test-like questions:**

9_-_unit_3.6_-_error_questions.pdf | |

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## videos that can help you

**interactive online activities**

**worksheets**

**worksheet 1**

9e_unit_3.6_worksheet_1.pdf | |

File Size: | 20 kb |

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**worksheet 2**

9e_unit_3.6_worksheet_2.pdf | |

File Size: | 1572 kb |

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**review - workbook**

workbook_-_unit_3.6.pdf | |

File Size: | 4149 kb |

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