Brain Exerciser, Add and Sub


Practice Addition and subtraction and increase your concentration level


Brain Exerciser, Add and Sub, This is a simple but effective exercise to test the reflection of your brain, the faster the better, get all correct answers. need to have more then 5 correct answers and good concentration level to unlock levels. This can help you gain the ability to concentrate better. The game depends on the level you choose, you need to start with the lowest level and as you learn the rules of the game you can proceed to higher levels in this game.

Concentration level is calculated according to constant of the time taken in each math.

Category:
Addition and Subtraction, with 2 and 3 add-ends/sub-ends

Achievement:
Score best, score is add of all concentration level gained.

Targets:
Challenge yourself, and complete the targets.

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