Beardsley, Leah Mildred, 1911- <br/><br/>
Elementary math activities with model behavioral objectives / 
Leah M. Beardsley 
 - West Nyack, N.Y  Parker Pub. Co.,  1976 
 - 238 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0132583194 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)