Teacher's edition to accompany school mathematics 1 / 
Robert E. E icholz, ... [et al.] 
 - California :  Addison- wesley ,  c1967 
 - xii, 440 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7049