Bridge to algebra. 

 - Pittsburgh, PA:  Carnegie Learning,  c2005. 
 - xii, 100 pages:  illustrations;  27 cm. 
<br/><br/><label>ISBN: </label>1-932409-47-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>DC 512  / B76