Serra, Michael. <br/><br/>
Mathercise classroom warm-up exercises / 
by derek Ball. 
 - Emeryville, CA :  Key Curriculum Press,  c1992. 
 - 63 p. : ;  27 cm. 
 - Mathercises Book C. .
 - Mathercises Book C. .
<br/><br/><label>ISBN: </label>1559530618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, etc.<br/>Mathematics--Study and teaching.