DEVELOPMENT NUMBER CONCEPTS Book 1 counting comparing , and Pattern. by Kathy Richardson. Grounded in teacher awareness, this series includes information about observing and assessing children at work, adaptations for diverse student needs, as well as classroom management.This book is a great resource for beginners and elementary school students who are developing their number concepts. It covers topics such as counting, comparing, and pattern recognition, and is illustrated with easy-to-follow images. The book is authored by Kathy Richardson and published by Dale Seymour Publications in 1999. It is a study guide type of book and has 246 pages. The language is in English and it is published in the United States. The book is perfect for those who want to learn mathematics and develop their problem-solving skills. Please e-mail with any questions you might have and thanks for looking!!!