use a dictionary, a glossary, or a thesaurus (printed or electronic) to determine the meanings, syllabication, pronunciations, alternate word choices, and parts of speech of words. Tricky Homophones Chart
Electronic Dictionary Bookmark / The Electronic Dictionary Bookmark from That Company Called If is a brilliant innovation that aims to bring back dictionaries from their semi-retired status. http://thegadgetflow.com/portfolio/electronic-dictionary-bookmark/
It has included 4 Exercises to assist the student, including a customized spelling bee using your own word list, an SAT word list spelling bee, user created flashcards, as well as SAT flashcards. With this all-in-one device, they have instant access to Merriam-Webster's Dictionary and Grammar Guide with Quizzes.