MyVocabulary.com

Root-Word Lesson are separated into 3 levels of difficulty. These free interactive vocabulary puzzle and activity lesson plans use Latin and Greek "roots and cells" to help unlock word meanings.

There are eight exercises into each lesson plan and include: Interactive Puzzle, Fill-in-the-Blanks, Definition Match, Synonym & Antonym Encounter, Crossword, Word Search, True/False and Word Story.