ISBN-13: 9781683219521 / Angielski / Miękka / 2016 / 40 str.
Why should you invest in subtraction activity books? Well, that's because math is a skill best learned through constant trial and error. Yes, your child will say he/she understands the concept but can he/she really subtract on his/her own? Test and improve your child's understanding of subtraction. Secure a copy of this activity book today