Addition With Pictures Online Zombie Game - math game for 1st, 2nd, 3rd, 4th, 5th, 6th grades. Avoid the zombies in this Halloween game that features devils on the way ready to devour you. When teaching basic addition, using pictures with objects helps kids to grasp the concept easily. That's not all, making it simple with a fun video game is even more exciting. Teachers can boost student's exitement in a classroom. This game is spcifically for kids in kindergarten and first grade.