The Point Penalty Game, enjoyed in many Montessori classrooms, can be used in any classroom looking to develop children's understanding of positive and negative numbers. To play, you need: - one traditional die - one die with sides marked + and - - red and green gems, or counters in 2 different colors to represent + and - Each player takes a turn rolling both dice. They take red gems (positive) or green (negative) based on their roll. When children have both positive and negative, they can b