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TO BE USED IN STUDYING VULGAR FRACTIONS,

In using the Fractional Plate, the student must count the white spates, and not the black lines. The first row of squares, or white spaces, at the top, are whole numbers; the second row is divided into halves; the third, into thirds, and so on from the top to the bottom. Thus it may be shown at one glance, that 1 halves make three and a half, or that & thirds make 2 and 2 thirds, &c.

CONTENTS.

Numeration,
Simple Addition,
Simple Subtraction,
Simple Multiplication,
Simple Division,
Federal Money,
Tables of Money, Weights, Measures, &c.,
Compound Addition,
Compound Subtraction,
Compound Multiplication,
Compound Division,
Reduction,
Exchange,
Vulgar Fractions,
Decimal Fractions,
Duodecimals,
Single Rule of Three,
Double Rule of Three,
Practice,
Fellowship,
Tare and Tret,
Barter,
Simple Interest,
Compound Interest,
Insurance, Commission and Brokerage,
Discount,
Equation,
Loss and Gain,
Involution,
Evolution,
Square Root,
Cube Root,
Biquarate Root,
Alligation,
Position,
Double Position,
Arithmetical Progression,
Geometrical Progression,
Permutation,
Sketch of Mensuration,
Practical Questions,

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