Addition Bingo Game teaches students to add sums to 20 with flexible difficulty level for increasing skill. Unique, six-way format adapts to a variety of skill levels, and is a fun learning supplement for small groups or the entire class. Also ideal for learners with disabilities and anyone learning English. Set includes 36 playing cards, more than 200 chips, caller's mat and cards, and a sturdy storage box. Bingo game is designed for teaching students in first-grade to third-grade (ages 6 to 9).