A new shilling arithmetic :  with answers. 

 -  g bell and sons ltd,   1960.  
 - paperback  
<br/><br/> 176pp., 12x18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COIN<br/>DECIMALS<br/>Exchange<br/>FACTORS<br/>FRACTIONS<br/>Interest<br/>INVOICE<br/>maths<br/>Metric system<br/>Money<br/>Profit<br/>Rates<br/>SQUARE ROOT<br/>Stocks<br/>Tax