Koll, Hilary. <br/><br/>
Understanding shapes and measures :  ages 6-7 / 
by Hilary Koll, Steve Mills. 
 - 1st ed. 
 - London :  A & C Black Publishers,  2008. 
 - 64 p. :  ill ;  30 cm.+  1 CD-ROM. 
<br/><br/><label>ISBN: </label>9781408100585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometrical drawing.<br/>Geometry--Study and teaching (Elementary).<br/>Measurement (Geometry).<br/>Shapes.