In this Montessori-inspired pumpkin pie themed addition activity, students use the movable tiles provided to make a number 20 less than the number displayed. This Fall / Halloween activity is self-checking as all good Montessori-inspired materials should be. it contains 5 puzzles each with 10 addition problems in a fun pumpkin pie themed array. Students know they have the answer correct when there are no tiles left on the board. This activity is the second in a series I call Let's Play Take