Jensen, Paz A. Lacsamana <br/><br/>
Speed math : multiplication and addition 

 - Pasig City  Anvil Publishing  2004 
 - 86 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>Fil 510 J453s