Ashlock, Robert B. <br/><br/>
Error Patterns in Computation  Using Error Patterns to Help Each Student Learn 

 - 10th Ed. 
 - Botson  Allyn & Bacon  2010 
 - ix, 274p.  Illustrated 
<br/><br/><label>ISBN: </label>9780135009109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching [Elementary]
<br/><br/><label>LC Class. No.: </label>QA 135.5   / .A8 2010