ARITHMETIC.

PART I.

ARITHMETIC IN WHOLE NUMBERS.

INTRODUCTION.

Arithmetic is the art or science of computing by numbers, and consists both in theory and practice.

The theory considers the nature and quality of numbers, and demonstrates the reason of practical operations.

The practice is that which shews the method of workiii" by numbers, so as to be the most useful and expeditious for business, and has five principal or fundamental rules for the operations, viz.,

NOTATION OR NUMERATION,  ADDITION,   SUBTRACTION, MULTIPLICATION,   AND DIVISION.

NUMERATION

Teacheti? the different  value of figures by their different places, and to read or write any sum or number.

1,  9,8,7,6,5,4, 3,2,1,9,8,7, 6,5,4,8,3,1.



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