Capital Letters Games (BBC Skillswise): http://www.bbc.co.uk/skillswise/e3/words/grammar/capitalletters/game.shtml
Dictionary Game: http://www.bbc.co.uk/schools/ks2bitesize/english/reading/dictionaries/play.shtml
Synonym Toast: http://www.scholastic.com/wordgirl/synonym_toast.htm
Clean Up Your Grammar:
http://teacher.scholastic.com/activities/adventure/grammar1.htm#
Edit Dan’s Copy: http://teacher.scholastic.com/activities/adventure/grammar2.htm#
Short Circuit:
http://teacher.scholastic.com/activities/adventure/grammar4.htm
Fish ‘Em Up: http://teacher.scholastic.com/activities/adventure/grammar4.htm#
Super Match Game: http://teacher.scholastic.com/activities/adventure/grammar5.htm#