Mathematics in primary schools. 

 - 4th ed. 
 - London:   Her Majesty's Stationery Office,   1972.  
 - 163 p. :  ill. ;  25 cm. 
 -  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Primary)--Great Britain
<br/><br/><label>Dewey Class. No.: </label>372.7044