3rd grade subtraction 4 digit numbers Monster board game - As students learn how to subtract, they will also begin to encounter subtraction of bigger numbers. In this case students will subtract four from four place numbers. The principles are not different apart from the fact that these are larger numbers. It is important to master solving all the problems in this game since it indicated that students have a mastery of their multiplication facts. Knowledge learned from this game can later be applied in solving word problems. There is also a fun game to go with this activity � it is called the monster board game. Answer questions correctly and beat the monster. This is a game for 3rd, 4th and 5th graders.