Our world of math 7 
/ Ricardo M. Crisostomo ... [et al.] 
 - viii, 374 p. :  ill. 
<br/><br/> "Developmental math K to 12." 
<br/><br/>Includes bibliographical references (p. 374). 
<br/><br/><label>ISBN: </label>9789710729784 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>510