Multiply & divide negative numbers

You already know how to multiply and divide whole numbers, decimals, and fractions. See what happens when we throw negative numbers into the mix. It's really not so different!

Multiplying positive & negative numbers
Signs of expressions
Multiplying negative numbers
Dividing positive and negative numbers
Dividing negative numbers
Why a negative times a negative is a positive
Why a negative times a negative makes sense
One-step equations with negatives (multiply & divide)