Developing Mathematics with Pattern Blocks, Grades K-5 Paperback – January 1, 2006

You can get better for free off of pinterest. Has only a few patterns and the ones it does have, ypu need to scan it on your printer and enlarge by 100% to 140% and print it out which defeats the purpose of this book!

My youngest son is home schooled and are now doing angles in math. This book is a great resource for teaching them! My son loves it!