Learn third grade math with confidence! Use Workbooks Part A and Part B to teach and reinforce the lessons in the Third Grade Math with Confidence Instructor Guide. Use Workbooks Part A and Part B to teach and reinforce the lessons in the Third Grade Math with Confidence Instructor Guide. These colorful, whimsical pages support you in your teaching and give your child written practice with new concepts and review of previously-learned skills. You’ll use Workbook Part A for Units 1-8, and Workbook Part B for Units 9-16. Together with the Instructor Guide, these books provide a full year of thorough and engaging math instruction. full color illustrations