Bubble Buster: Addition Within 20

What number pairs add to equal 5? 6? 7? Give kids a healthy dose of mental addition—and loads of fun to boot—with this fast-paced math game. Kids must choose pairs that add to equal different target numbers. They must act quickly though; each time they advance to a new round, the balls drop faster and faster! Set to silly music and featuring great artwork, this activity will have gamer kids coming back over and over again.