Baratta-Lorton, Mary. <br/><br/>
Mathematics their way  an activity-centered mathematics program for early childhood education 
by Mary Baratta-Lorton. 
 - Menlo Park, Calif.  Addison-Wesley  c1976. 
 - xvii, 396 p.  ill.  28 cm. 
 - Addison-Wesley innovative series .
<br/><br/> Games and activities that promote the learning of mathematics. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)