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OF

NORMAL

UNION ARITHMETIC,

DESIGNED FOR

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

EDWARD BROOKS, A. M., Ph. D.,

SUPERINTENDENT OF PUBLIC SCHOOLS OF PHILADELPHIA,
FORMER PRINCIPAL OF STATE NORMAL SCHOOL. PENNSYLVANIA, AND AUTHOH
OF "TUB NORMAL SERIES OF ARITHMETICS," "NORMAL ELEMENTARY
ALGEBRA," "NORMAL OEOMETRT AND TRIGONOMETRY," "NOR-
MAL METHODS OF TEACHING," "MENTAL SCIENCE AND
CULTURE," "PHILOSOPHY OF ARITHMETIC," RTO.

"Analysis and Synthesis;—the magic wand whose touch unfolds the mys-
terious and beautiful relations of numbers."

PHILADELPHIA:
CHRISTOPHER SOWER CO.,

614 ARCH STBEET. . • :<

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