_Mathematics For Elementary School Teachers Problem- Solving Investigations  

 - U.S.A PWS-KENT 1993  
 - xvi,702p,;Ill  
<br/><br/> Includes Index   Includes Index  
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Addition 
<br/><br/><label>LC Class. No.: </label>QA 135.5 .S456 1993