A 32-page workbook that provides a 10-day lesson plan for learning the basic facts for addition. The workbook comes complete with a full set of Wrap-Upï¾® keys containing 10 self-correcting boards covering 120 basic facts, as well as an audio CD that goes through each set of problems three times in random order. Shows kids the progress they've made and how little they have left to grasp as they work through the math facts. PreK-1st grade.