SUM Airplane drop

SUM Airplane drop is a simple math puzzle game.
Calculate the plus and minus results that the plane delivers on each bomb . Then hit the appropriate boat. With correct answers you will get points. Every time you drop a bomb with the wrong answer, your turn will be deducted and the game is over.
The game has two game modes: normal and hard.
Game graphics will make you more interested in simple addition and subtraction calculations.

Wish you have moments of fun playing.