Math Lines Game

In this game from "Novel Games" balls will move on a concentric circle which ends in a hole. These balls will have a number on it. You will be provided a gun in the center, which you can control with Mouse of your computer. Your gun will fire balls which again will contain number written on it. You target is to shoot your ball at the ball so that your number when added to your target's number it sums 10.  Once the sum is 10, target ball will disappear and you will score some points. Faster you will  make balls disappear more you will score. You game will end once the balls are able to reach hole at the end of the line.