Subtraction

ISBN: 9780768200737

出版社: Frank Schaffer Publications

出版年: 2000-9

页数: 13

定价: $ 4.46

装帧: Softcover

内容简介

Kids can practice their skills over and over again with these colorful Wipe-Away books. They use a crayon or water-based marker to complete each activity, then simply wipe the answers away with a clean, dry cloth to use the page again Each topic is covered in-depth to give kids a complete understanding of the subject. Full-color pages keep kids motivated and coming back for more. Perfect for home use or for learning centers