Four years ago, Jackson Craig sat in the auditorium and saw his sister perform in a wild west circus. He couldn’t wait to follow in her footsteps, and now he’s ready – he’s in the fourth grade at ...

Watch the Quidget Family and the Subtractobats perform high-flying feats of mathematics! In this astounding story, Leap, Lily, Tad and wacky Professor Quigley train numbers to count, add, and subtract ...