Make it 10 is simple, but interesting calculation puzzle game.
The goal of this game is to make the result exactly 10!
Using 4 numbers and several operators.
It is good for improving your children’s calculation skill as well as yours own.

---Features---

There are 4 difficulty levels.
Easy level : You have +,- operators.
Normal level : You have +,-,* operators.
Hard level : You have +,-,*,/ operators.
Random level : Sets randomly from easy to hard.

Every time you clear the game, you can earn stars that can be used to unlock various game modes and skins.

There are 3 game modes.
Play10 : You have 10 random questions to solve.
Challenge : You have 60seconds to solve as many questions as possible. Correct result increases the time.
Unlimited : You have the 3 hearts. If you make false result or the time comes to 0, the heart will be lost.

There are 3 skins.
Brick : Default skin.
Doodle : Handwriting style on blackboard.
Renaissance : Classic and beautiful skin.

And also OpenFeint leaderboards and achievements are available.

Have fun with Make it 10!

Source: http://itunes.apple.com/us/app/make-it-10/id425107631?mt=8