Montague-Smith, Ann.  frey50        <br/><br/>
Adding and subtracting.  Book 1 / 
Ann Montague-Smith ; [illustrated by Peter Lawson]. 
 - Laguna Hills, Calif. :  QEB Pub.,  c2005. 
 - 24 p. :  col. ill. ;  25 cm. 
 - QEB math club .
<br/><br/> Colorful examples and simple games introduce the concept of addition and subtraction. 
<br/><br/><label>ISBN: </label>1595660984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Addition<br/>Subtraction
<br/><br/><label>Dewey Class. No.: </label>j513.211 Mon   25