Hurwitz, Abraham B. <br/><br/>
Number games to improve your child's arithmetic / 
Abraham B. Hurwitz, Arthur Goddard, David T. Epstein. 
 - New York :  Funk & Wagnalls,  1975. 
 - 242 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/> Open Access. 
<br/><br/><label>ISBN: </label>0308101626 
<br/><br/><label>LCCN: </label>7423849  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Arithmetic--Study and teaching.