Rachel
About
Khan Academy on a Stick
Negative number word problems 1
Adding and subtracting negative numbers
Negative Numbers Introduction
Example: Adding negative numbers
Example: Adding integers with different signs
Why Subtracting a Negative Equivalent to Adding a Positive
Negative number word problems 1
Adding decimals of different signs word problem
Adding/Subtracting negative numbers
Your browser does not support video. Please get the latest version of Google Chrome, Firefox, IE, or Safari. Alternately, you can try the link below if you have VLC or another media player installed.
If the above player doesn't work, you can
try this direct link
.