Skill Builders are great tools for keeping children current during the school year or preparing them for the next grade level. A variety of fun and challenging activities provides students with practice and helps introduce basic skills to new learners. This full-color workbook contains appropriate passages and exercises based on national standards for fourth and fifth grades to help ensure that children master pre-algebra math skills before progressing. Skill Builders combines entertaining and interactive activities with eye-catching graphics to make learning and reviewing fun and effective. The compact 6 x 9 size makes this book perfect for school, at home, or on the go. It features 80 perforated, reproducible pages and an answer key.