Integers

Adding Integers

Shows how to add postive and negative numbers; uses counters.

http://www.youtube.com/watch?v=AIWPLvTNhXs

Subtracting Integers

Shows how to subtract postive and negative numbers; uses counters. Explains adding the opposite and two stroke method.

http://www.youtube.com/watch?v=0sMIJkFV1uw

Multiplying & Dividing Positive & Negative Numbers

Shows the rules for multiplying and dividing negative and positive numbers. Shows why negative times negative produces a negative number using counters.

http://www.youtube.com/watch?v=489iteE0EB4

Click Here to see more videos on negative and positive numbers that contain fractions and/or decimals.