﻿APPLETONS' 



MATHEMATICAL SERIES. 



THREE VOLUMES. 



Beautifully Illustrated. The Objective Method 

 Practically Applied. 



THE SERIES: 



L Numbers Illustrated 



And applied in Language, Drawing, and Reading 

 Lessons. An Arithmetic for Primary Schools. 

 By ANDREW J. RLCKOFF, LL D., and E. C. 

 DAVLS. 



Introduction price, 36 cents. 



II. Numbers Applied. 



A Complete Arithmetic for all Grades. Pre- 

 pared on the Inductive Method, with many new 

 and especially practical features. By ANDREW 

 J. RICKOFF, LL. D. 



Introduction price, 75 cents. 



Ill Numbers Symbolized. 



An Elementary Algebra. By DAVID M. SEN- 

 SE NIG, M. S., Professor of Mathematics in the 

 State Normal School at West Chester, Pa, 



Introduction price, $1.08. 



1^" These books are the result of extended research as to the best 

 methods now in use, and many years' practical experience in class-room 

 work and school supervision. 



Send for full descriptive circular. Specimen copies will be 

 mailed to teachers at the introduction prices. 



D. APPLETON & CO., Publishers, 



NEW YOEK, BOSTON, CHICAGO, ATLANTA, SAN FEANCISCO. 



