This step-by-step workbook will help your child learn to add numbers 1 through 9. Your child will first practice writing numbers and saying them in sequence. Then, he or she will begin learning addition in a step-by-step manner. Like all our Grow to Know Workbooks, the smaller format of this book is perfect for little hands and on-the-go learning. 7.4 × 10.1 inches. paperback. 64 pages. full color.