The Growth of mathematical ideas, grades K - 12 

 - Washington, D. C. :  The National Council of Teachers of Mathematics,  1959 
 - x, 507 p. :  ill. ;  diagrs.  24 cm. 
 - Yearbook (National Council of Teachers of Mathematics) ;  24 .
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching