APPLETONS' 



MATHEMATICAL SERIES. 



THREE VOLUMES. 



Beautifully Illustrated, The Objective Method 

 Practically Applied, 



THE SERIES: 



I. Numbers Illustrated 



And applied in Language, Drawing, and Reading 

 Lessons. An Arithmetic for Primary Schools. 

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

 DAVIS. 



Introduction price, 36 cents. 



II. Numbers Applied. 



A Complete Arithmetic fcr all Grades. Pre- 

 pared on the Inductive Method, with many new 

 and especially practical features. By A NDRE W 

 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. 



Without Answers Introduction price, SI. OS. 

 With Answers Introduction price, $1.16. 



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 York, Boston, Chicago, Atlanta, San Francisco. 



