This Mastery Method, which correlates to the Common Core, is made up of two parts, the flash cards and the manual, which may be purchased separately. You may choose to follow the complete program or just check out the tricks for those particular facts that give your students the most difficulty. Part B is the step-by-step comprehensive MANUAL, which explains how to introduce, practice, and test each set of facts. The manual not only EXPLAINS EACH RULE AND TRICK, but it will instruct even a new