ISBN-13: 9781420805499 / Angielski / Miękka / 2005 / 156 str.
This book opens the appetite and aptitude of the 4 year old child, and his parent, to the language of algebra- and this, with ease and fun. The number line, integers, missing factors, and many more understandings of algebra, help your young child begin to ace this, once alien language.