This app supports math instruction by providing students with an opportunity to have virtual manipulatives similar to the blocks frequently used in classrooms.
This free app from McGraw Hill is great for elementary school students to work on building their vocabulary. Students can either play on their own or with a partner. Bluster works on rhyming, prefixes & suffixes, synonyms, homophones, adjectives, and over 800 vocabulary words.
This could be the best $.99 spent on an app. Tools 4 Students includes 25 graphic organizers that can be annotated in the app and then shared via email.