Paperback workbook with approximately 600 problems. The main part of the book (47 pages) is printed on one side with the other side blank. This book begins with suggestions for teachers and concentration game masters. The remaining 28 pages are printed back-to-back with answers to the problems. Many of the problems include dot-to-dot, making designs, and crosswords. This book provides excellent practice and a variety of learning methods. The content includes prefixes, measures and estimation, linear and area, conversions, computations, practical applications, mass (weight), volume, temperature, mixed measurement.