Did you know that research proves that homophone misuse is the most common cause of spelling errors, even in adults? Textbooks do not provide nearly enough practice to approach proficiency. This set of Homophone Crossword Puzzles makes homonym exercises more enjoyable than the standard fare, and students get extra practice in very important spelling and grammar skills. Easy to check for busy teachers, they include all Answer Keys. Great as homework, seatwork, or in learning centers!