Pick 5 Common Exception words from the Year 5/6 spelling list. Challenge yourself to spell them as you throw a ball in the air. First try a letter every time the ball is thrown then try the whole word before you catch it. Now that's a challenge.
Research sporting history and see how many different facts you can find out about sports from the past. Then create your own sporting trivia quiz which you can test out on members of the household or your friends.
Play catch or 'keepie uppies'. Each time the ball is caught or kicked, count up in a particular multiple (this could be any number between 2 and 100). If the ball is dropped, start again. It can be made harder by spacing out or by giving a higher target number.