Dyscalculia is a specific learning difficulty that affects the acquisition of numerical skills. A far larger number of pupils, while not dyscalculic, fail to acquire the basic numerical skills... 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.