Hope, Jack A, <br/><br/>
Mental math in the middle grades /Jack A. Hope, Barbara J. Reys, Robert E. Reys. 

 - Palo Alto, California :  Dale Seymour Publications,  (c)1987. 
 - 45 printed originals :  black and white ;  28 x 22 cm. 
<br/><br/> "Blackline masters"--Cover.  Printed originals are bound with supplemental text. 
<br/><br/> 36 lessons and answer key to practice mental math. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Elementary)<br/>Mathematics--Study and teaching--Audio-visual aids.<br/>Mental arithmetic--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA107  / .M468 1987