Howett, Jerry <br/><br/>
Addition, subtraction, multiplication, and division / 
Jerry Howett. 
 - Lincolnwood, IL :  Contemporary Books,  c2000. 
 - vi, 185 p. : ill. 
 - Contemporary's number power ; a real approach to math ; 1 .
<br/><br/> Includes glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching<br/>Mathematics--Problems, exercises, etc