Worthington, M.  <br/><br/>
Children's mathematics :   making marks, making meaning 
Worthington, Maulfry 
 - London ; California ; New Delhi :    Paul Chapman Publishing,  c2003 
 - vii, 242 pages :   illustration ;   24 cm. 
<br/><br/>Includes index.<br/> 
<br/><br/><label>ISBN: </label>0-7619-4070-7 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>Circ. 372.7044 W934c 2003