7th grade pre algebra subtraction Monster board game - Pre algebra subtraction with Monster board game - by playing this game seventh graders will be able to solve various pre algebra problems. This online monster board game is focused on algebra problems that involve subtraction. Every time a student clicks on start and stop they will be presented with an unknown variable they will be required to solve to gain points. Keep in mind if students click on stop and it stops on a monster, all the points will be taken away by the monster. This game will help 7th grade students with pre algebra subtraction 1, which will focus on the same curriculum they are following in school. This game will help take out the complexity and stress they might feel in school, and help them learn in an easy and more relaxed environment.