An educational workbook for very young children of preschool and kindergarten age, as well as children who are somewhat older but do not have developed fine motor skills, which extends the advantages of U.S. Pat. No. 6,402,522 having a hand-held booklet containing a series of problems with color-coded selectable answers and flat answer card having movable colored clips and compatible to the booklet. The answer card is typically enclosed in the booklet and can serve as a bookmark. Children record their answers by placing the selected colored clips into the corresponding positions on the answer card. Children check their own work by comparing site-by-site the colors of the clips on their answer with the colors of the child-friendly images on the corresponding answer key. No pencil is used, answer keys are easily readable, and exercises can be repeated many times since there is no trace of earlier responses. Additionally, students' answer cards and answer key card may be stacked together and create a color display of class or group understanding encouraging group cooperation and teamwork.