Collins, Anne A <br/><br/>
50 Leveled math problems 

 - Huntington beach  shell education  2012 
 - 144pp  illustrated 
<br/><br/><label>ISBN: </label>9781425807788 
<br/><br/><label>Subjects--Topical Terms: </label><br/>mathematics--study and teaching [elementary]<br/>problem solving--study and teaching[elementary]<br/>mathematics--problems,exercises
<br/><br/><label>LC Class. No.: </label>LB 1585   / .C65 2012