As stated by another pinner: "CC Essentials: Grammar Ninja is VERY addicting with its video-game style. What a fantastic way to practice the parts of speech! Scroll down for the game.lots of other great ideas on this post!
Writing center: 42 Differentiated Writing Activities-Choose from sight word sentence writing for new writers and narrative, opinion, and informational text writing prompts for more established writers.
Outlaw "I'm Done!" I LOVE this post from Kady at The Teacher Trap. She makes some really good points and includes suggestions for helping kids change their mindsets about rushing through their assignments.