3 2044 097 001 648

NEW NORMAL

THE

WRITTEN ARITHMETIC,

COMMON SCHOOLS, NORMAL SCHOOLS, HIGH SCHOOLS,

ACADEMIES, ETC.

DESIGNED FOR

BY

EDWARD BROOKS, A. M., PH. D.,

SUPERINTENDENT OF PUBLIC SCHOOLS OF PHILADELPHIA;

LATE PRINCIPAL AND PROFESSOR OF MATHEMATICS IN PENNSYLVANIA STATE
NORMAL SCHOOL, AND AUTHOR OF "THE NORMAL SERIES OF ARITHMETICS,"
"NORMAL ELEMENTARY ALGEBRA," "NORMAL GEOMETRY AND
TRIGONOMETRY," PHILOSOPHY OF ARITHMETIC," ETC.

Analysis and Synthesis:-the magic wand whose touch unfolds the mysterious and
beautiful relations of numbers."

│:

PHILADELPHIA:

CHRISTOPHER SOWER COMPANY,

614 ARCH STREET.

CONTENTS.

Numeration and Notation, 87 DENOMINATE FRACTIONS.

Reduction,

95

96

97

100

104

105

. 107

117

120

122

123