Use the timer below to play count down. Ask an adult to mix the order of the letters (perhaps just in the trickiest words - or all of them if you want) and then time yourself - or ask an adult to time - using the online timer; you can have 1-2 minutes to unscramble your spelling words! Have fun!
http://www.online-stopwatch.com/countdown-timer/
http://www.online-stopwatch.com/countdown-timer/