Chrismer, Melanie. <br/><br/>
Math tools / 
by Melanie Chrismer. 
 - New York :  Children's Press,  2006. 
 - 31 pages :   color illustrations ;   19 cm 
 - Rookie read-about math .
<br/><br/> Includes index. 
<br/><br/>J<br/> 
<br/><br/> The popular Rookie Books expand their horizons - to all corners of the globe! With this series all about geography, emergent readers will take off on adventures to cities, nations, waterways, and habitats around the world...and right in their own backyards.<br/> 
<br/><br/> 460<br/>  Lexile<br/>  J<br/>  Raz-Plus<br/> 
<br/><br/><label>ISBN: </label>0516249614 9780516249612 
<br/><br/><label>LCCN: </label>2005019972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Measuring instruments--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QC100.5  
<br/><br/><label>Dewey Class. No.: </label>681.2