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Multiplying and dividing negative numbers

6 videos
1 skill
It is starting to dawn on you that negative numbers are incredibly awesome. So awesome that you are feeling embarrassed to think how excited you are about them! Well, the journey is just beginning. In this tutorial we will think about multiplying and dividing numbers throughout the number line!

Multiplying positive and negative numbers

VIDEO 5:34 minutes
Here we explain some rules of thumb regarding the multiplication of positive and negative numbers.

Why a negative times a negative is a positive

VIDEO 5:47 minutes
Why are the products of negative numbers defined in the way they are? We'll use the distributive property to help you with your understanding.

Why a negative times a negative makes intuitive sense

VIDEO 6:14 minutes
We use the repeated addition model of multiplication to give an intuitive understanding of multiplying negative numbers.

Dividing positive and negative numbers

VIDEO 4:52 minutes
In this video we take you through the basics of dividing with negative numbers. You'll need to draw from your multiplication skills, too.

Multiplying numbers with different signs

VIDEO 2:26 minutes
Help us find the product of numbers with different signs.

Multiplying and dividing negative numbers

PRACTICE PROBLEMS
Multiply or divide positive and negative integers. No remainder.

Multiplying and dividing negative numbers

VIDEO 8:28 minutes
Multiplying and dividing negative numbers