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.
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...