Bloom, Marjorie W. <br/><br/>
Estimate calculate evaluate :  calculator activities for the middle grades / 
Marjorie W. Bloom, Grace K. Galton. 
 - [New York]:   [Cuisenaire Company],   [1990].  
 - 88 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0938587129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Teaching aids
<br/><br/><label>Dewey Class. No.: </label>510.78