FREE Grammar Cheat Sheet - nice...everything on one sheet for quick reference.
Grammar Ninja is VERY addicting with its video-game style (online, not an app). What a fantastic way to practice the parts of speech!
Working 4 the Classroom: Classroom Anchor Charts and Posters
Word boxes: If a student doesn't know how to spell a word, they check the card in the box. If it's not there, they bring the card to me, we spell it together, and then the card goes back in its spot when they're done. Promotes independent writers!
Wonderful website that has a ton of Words Their Way activities
4th Grade Frolics: Spicing Up our Writing!!