Herr, Ted,  1955-. <br/><br/>
Problem solving strategies :  crossing the river with dogs : and other mathematical adventures / 
 Crossing the river with dogs 
Ted Herr, Ken Johnson. 
 - Berkeley, Calif. :  Key Curriculum Press,  c1994. 
 - vii, 486 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1559530685 
<br/><br/><label>LCCN: </label>95173040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Problem solving.
<br/><br/><label>LC Class. No.: </label>QA63  QA40.5  QA40.5  / .H37 1994  / .H47  / .H47 
<br/><br/><label>Dewey Class. No.: </label>510/.76