Here are some links to some review lessons and activities involving integers, rational numbers, absolute value, and the coordinate plane.

__http://www.wartgames.com/themes/math/integers.html____http://www.wartgames.com/themes/math/negativenumbers.html____http://www.bbc.co.uk/bitesize/ks2/maths/number/negative_numbers/play/____http://pbskids.org/cyberchase/media/games/negativenumbers/negativenumbers.html____http://pbskids.org/cyberchase/math-games/space-coupe-rescue/____http://www.mathwarehouse.com/numbers/rational-irrational-numbers/rational-irrational-numbers-game.php____http://www.quia.com/cm/110177.html__