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... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.