by Kumon (Author)
If your child can subtract numbers 1 through 20, then this book will increase his or her speed and accuracy when subtracting. Use this book to help your child practice and master basic subtraction. Ages 6+
Format: Paperback
Pages: 64
Edition: Csm Wkb
Publisher: Kumon Publishing North America
Published: 01 May 2013
ISBN 10: 1935800647
ISBN 13: 9781935800644