How good are you in solving math problems? Well, you might be pretty quick and accurate, try to prove it with NineGaps-Math Puzzles on the iPhone. 

NineGaps is a tricky math game, which is more of a puzzle. In this simple but brain burning game, you’ll not deal with complex digits but would have to learn how to manipulate the numbers from 1 to 9. 

Multiplication, addition, division and subtraction all goes live in this game. There are nine boxes on the game board, and the numbers 1-9 provided in color grids (some of the numbers are pre inserted in some of the box). The boxes are arrange in rows of three vertically and horizontally, with solutions provided on the right hand side and at the bottom of each row. 

The challenge now is to insert the numbers to the boxes to get the solution both given at the vertical end and on the right hand side. It is not that simple; as there are only nine boxes and nine numbers, you can use a number only once in a single box. You cannot solve the puzzles in isolation. You have to solve the puzzle as a whole. 

Remember there are 10 math signs in between the boxes to rack your brain. Find the exact place of the numbers in the shortest possible time; that would be your record time. 

There are three difficulty levels, Easy, Medium and Hard. To manage the game, you simply need to slide and drag the numbers. 

Audio and graphics are simple. When you get the solution of a row right, there would be the sound of bell ringing and the solution turns from red to green. For wrong insertions, there would be some kind of “Oink” sound to mock you. 

NineGaps-Math Puzzles successfully demonstrates the puzzling nature of numbers and signs. This is a simple looking brain burning challenger. 

• App Name: NineGaps
• Price: $0.99
• App Category: Games
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• Developer:Quadion Technololgies
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