Carruthers, Elizabeth. <br/><br/>
Children's mathematics  making marks, making meaning /  [electronic resource] : 
Elizabeth Carruthers and Maulfry Worthington. 
 - 2nd ed. 
 - London :  SAGE,  c2006. 
 - 1 online resource (xix, 260 p.) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781446213780 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)--Great Britain.