Addition Bingo Game Addition bingo game for adding sums up to 20 Unique, six-way format adapts to a variety of skill levels, and is a fun learning supplement for small groups or the entire class Set includes 36 bingo playing cards Also includes over 200 chips, caller's mat and cards, and a sturdy storage box Ideal for teaching: 1st Grade to 3rd Grade (Ages 6 to 9)