Burton, Grace M. <br/><br/>
Math advantage:  preparation for algebra/ 
by Grace M. Burton & Evan M. Maletsky 
 - United states of america:  Harcourt brace,  c1999 
 - xxii,569p.:  ill.;  26.1 cm. 
<br/><br/> includes glossary and index 
<br/><br/><label>ISBN: </label>0-15-311440-1 
<br/><br/><label>Dewey Class. No.: </label>B.C.512  / M420