"Learn Alberta" has great step-by-step activities for Integers.
1) Click on the following link
http://www.learnalberta.ca/content/mec/flash/index.html
2) Click on "Integers - Add and Subtract (Puzzles)"
3) Click on "Topics"
4) Do all activities
If you finish early:
Ordering Integers
http://www.mathplayground.com/numberballs.html
Integer Addition - Space Orbit
http://www.arcademicskillbuilders.com/games/orbit-integers/orbit-integers.html
Adding & Subtracting - Line Jumper
http://www.funbrain.com/cgi-bin/nl.cgi?A1=s&A2=2
