Sachar, Louis,  1954- <br/><br/>
Sideways arithmetic from Wayside School / 
Louis Sachar. 
 - New York :  Scholastic,  1989. 
 - 89 p. ;  20 cm. 
<br/><br/> "An Apple paperback." 
<br/><br/> ALA Booklist  Elementary School Library Collection Brodart 
<br/><br/> Contains examples of "sideways arithmetic" which is the preferred method of mathematics instruction at the Wayside School, which was accidentally built sideways with one classroom on each story. 
<br/><br/> 4  4-7 
<br/><br/><label>ISBN: </label>0590457268  $9.49 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Schools--Fiction.<br/>Mathematical recreations<br/>School stories
<br/><br/><label>LC Class. No.: </label>QA95  / .S1185 1989 
<br/><br/><label>Dewey Class. No.: </label>793.7/4