Cutler, Ann. <br/><br/>
Instant math, based on the Trachtenberg speed system of basic mathematics. 

 - [1st ed.] 
 - Garden City, N.Y.,  Doubleday  1962 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental arithmetic.;Mental arithmetic.;Multiplication.;Addition.
<br/><br/><label>Dewey Class. No.: </label>513. 2 CUT