Primary Mathematics: A Development Through Activity Stage 1 Answer Book 

 - London:  Heinemann educational books ltd,  1976. 
 - 38p.;  ill.  30cm 
<br/><br/><label>ISBN: </label>0435029053 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>327.7  / PRI