I can subtract real numbers.
Practice subtracting real numbers with this game.
Source: Sheppard Software
Practice adding and subtracting real numbers. This activity will explain any wrong answers. Make sure to read the explanation!
http://www.ixl.com/math/grade-7/add-and-subtract-integers
Slash the fruit!
http://www.sheppardsoftware.com/mathgames/integers/FS_Integer_subtraction.htm
Source: IXL Math