Subtraction: Subtracting Numbers 1-20

ISBN-13: 9781935800644 / Angielski / Miękka / 2013 / 64 str.

Kumon Publishing

Opis

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+