Deluxe edition. An I Know It! book. Follows NCTM guidelines. Multiplication and division are difficult concepts for many children. Clear instructions, step-by-step examples, and a fascinating rain forest theme will help your child enjoy practicing multiplication and division skills. Principles and Standards for School Mathematics, published by the National Council of Teachers of Mathematics (NCTM), was used as a guide in writing this book. Skills include: Long division; Story problems; Comparing fractions; Missing factors; Repeated addition; Division with remainders. Review, reinforce & accelerate learning! All School Zone products are developed by skilled educators to provide the highest quality, up-to-date curriculum possible. Workbooks: Top-quality content, clear directions, and full-color illustrations make School Zone workbooks the best choice. Made in the USA.