Defend your base from the attacking monster army by quickly answering the math questions. There are four different modes, addition, subtraction, multiplication and division. Try to get the highest score in all of the modes by challenging your quick math skills in this fun defense game.
How to play: Click or tap to answer the math questions
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Math Defense is an online action game that we hand picked for Lagged.com. This is one of our favorite mobile action games that we have to play. Simply click the big play button to start having fun. If you want more titles like this, then check out Prehistoric Warfare or Tank Defense. To play even more free games, view our all time top games page.