THE

NORMAL

WRITTEN ARITHMETIC,

BY

Analysis and Synthesis;

DESIGNED FOR

COMMON SCHOOLS, NORMAL SCHOOLS, HIGH SCHOOLS,
ACADEMIES, ETC.

BY

EDWARD BROOKS, A.M.,

PROFESSOR OF MATHEMATICS IN PENNSYLVANIA STATE NORMAL SCHOOL, AND AUTHOR OF
"THE NORMAL PRIMARY ARITHMETIC," "NORMAL MENTAL ARITHMETIC,” ETC.

“Analysis and Synthesis;--the magic wand whose touch unfolds the mysterious and beautiful

relations of numbers."

PHILADELPHIA:

SOWER, BARNES & CO.,

37 NORTH THIRD STREET.

NARYARD COLLEGE LIPAY

BY EXCHANGE FROM
NEW YORK STATE LIBRARY
FEB 27 1932

Entered, according to Act of Congress, in the year 1863, by

EDWARD BROOKS,

In the Clerk's Office of the District Court of the United States, in and for the Easte District of Pennsylvania.

MEARS & DUSENBRRY, ELECTROTYPERS.

PRINTED BY SMITH & PETERS,
Franklin Buildings, Sixth Street, below Arch,
Philadelphia.