Integers Addition

Integer addition operation sign rules:

1) Like signs you add (- 8) + (- 7) = (-15) or (+ 3) + (+ 5) = + 8

2) Unlike signs you subtract ( + 2) + (- 5)= -3 or (- 8) + ( + 4) = (- 4)

3) Take the sign of the highest number (yes number).

A scrap box should be used to do the calculations. Try not to get into the habit of doing your scrap work on another piece of paper. It is much easier to find a mistake if all the work is in front of you and located close to the problem.

To play the movie, the Flash Media player must be installed. Your browser needs to be configured to use the Flash Media Player as an application (see your browser preferences). If you are using Internet Explorer for Windows, you must install the latest FlashMedia Player Plug in.

(See www.macromedia.com)

Are you still taking notes?

Remember you can repeat the movies as often as you need to.