McIntosh, Alistair, <br/><br/>
Number sense :  simple effective number sense experiences.  Grades 4-6 / 
 NumberSense 
Alistair McIntosh [and others]. 
 - x, 238 pages :  illustrations ;  28 cm 
<br/><br/> Exploring mental computation --  Exploring estimation --  Exploring relative size --  Exploring multiple representation --  Exploring number relationships --  Exploring reasonableness.  1.  2.  3.  4.  5.  6. 
<br/><br/><label>ISBN: </label>1572322632 9781572322639 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Primary)
<br/><br/><label>Dewey Class. No.: </label>372.7