Pre-algebra / 
by Ron Larson [et all.]. 
 - 1st ed. 
 - Evanston, IL :  McDougal Littell,  2008. 
 - xxxii, 145 p. :  ill. ;  27 cm. 
<br/><br/><br/>English. 
<br/><br/><label>ISBN: </label>061880076X 9780618800766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Mathematics--Problems, exercises, etc.<br/>Algebra.
<br/><br/><label>Dewey Class. No.: </label>513.12076 PRE /O