Time to practice cartwheels!

Suddenly, Jon had an idea. "You may be cute, but there's more to being a cheerleader than that! Are you sure you can do the routines?" "Those are a piece of cake," said his mother. "Oh, yeah. Betcha can't do a good cartwheel!" "Betcha I can!" And without any more notice, she did a perfect cartwheel ... ... and the rock flew out of her hand in the middle of it. Like a flash, Jon had the rock in HIS hand! "Hey!" said his mother. "That wasn't nice!"