Math advantage.  (blue) / Grace M. Burton.  - United States of America :  Harcourt Brace and Company,  [1999]  ©1999  - xxv, 507 pages,  illustrations  28 cm <br/><br/> Includes references and index. <br/><br/><label>ISBN: </label>9780153106941 <br/><br/><label>LC Class. No.: </label>QA 154.2  / B954 1999