Test your subtraction skills and get ready to go negative with our most challenging subtraction app yet. Twenty-two levels of problems beginning with -5 through 5 and moving up to -50 through 50. Watch the signs carefully and remember: subtracting a negative number is the same as adding a positive number.

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Math Practice: Subtraction III Features:

- Correct answers are highlighted when question is missed
- Questions get progressively harder
- Smart Learning review levels offer practice to make learning really stick
- Option to adjust level of difficulty
- Students win medals and points for completing sections of the game
- Fully integrated in Game Center with seven special achievements
- Does not require an internet connection to play

Practicing the questions on this app will not only reinforce subtraction skills, but also makes it easier to complete the game on the fun online learning
sites Always-Icecream.com and Clever-Dragons.com, where kids earn virtual currency for each level they complete. With this currency, children can unlock fun and creative games.