Ratio and sharing 1:  ratio, fractions, decimals and percentages for 2 or 3 people. 

 - New York:  Press Syndicate of the Univesrity of Cambridge,  1992. 
 - 17p.:  col ill.; 
<br/><br/><label>ISBN: </label>0521439051 9780521439053 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.--Ratios.
<br/><br/><label>Dewey Class. No.: </label>510