Osofsky, Jill <br/><br/>
Matching & sorting / 
By Jill Osofsky  
 - Grand Rapids :   McGraw-Hill,   2000. 
 - 32 pages :   color illustrations ;   28 cm 
<br/><br/> The fantastic Frog activiy books have been created especially for young children to help them builda solid understanding fo basic mathematics skills. 
<br/><br/><label>ISBN: </label>651468430115 
<br/><br/><label>Dewey Class. No.: </label>813