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Explanation of the Characters used in this work.
= Equal to. The sign of Equality; as 4 farthings
that is, 4 farthings are equal to 1 penny.
+ Plus, or more. The sign of Addition; as 3 + 2 = 5, that is
3 added to 2, = 5.
x Into. The sign of Multiplication; as 5 X 4 = 20, that is, 5
multiplied into 4 = 20.
• By. The sign of Division; as 6 = 2 = 3, that is, 6 divided
by 2 = 3.
: Is to | The signs of Proportion; as 2: 4::8: 16, that is, as 2
is to 4, so is 8 to 16.
The sign of Contraction, or cancelling, which implies that the
numbers 18 and 12 have been struck out, and the numbers 3 and 2 are to be used instead.
ARITHMETIC is the Science of computing by Numbers.
Its leading Rules are NUMERATION, ADDITION, SUBTRACTION, MULTIPLICATION, and Division.
Teaches to read the value of numbers :
Thus, 23 is read, Twenty-three.
756 is read, Seven hundred and fifty-six.
EXERCISES FOR THE LEARNER.
Write in words the following, 42—87–153—604.
rated thus :
2,340 Two thousand, three hundred and forty. 50,129 Fifty thousand, one hundred and twenty-nine. 718,406 Seven hundred and eighteen thousand, four hundred and
When there are more than six figures, they are numerated
thus : 3;209,186 Three millions; two hundred and nine thousand, one
hundred and eighty-six. 54;072,831 Fifty-four millions; and seventy two thousand, eight
hundred and thirty-one. 908;375,200 Nine hundred and eight millions; three hundred and seventy-five thousand, two hundred.
Note. The figures between each stop are read as if they stood alone ; those before a comma being always thousands, and those after the comma being millions, billions, trillions, &c., according to their place:
Thus, in the Table 987;654,321 are read, 987 millions; 654 thousands, 321.
EXERCISES. Write in words 1;285,362—40;237,615–327;805,463—901;004,350.
In common calculations more than nine figures are seldom required. But the Table may be extended to any length; as millions, billions, trillions, quadrillions, quintillions, &c.
Thus, 32;407,280;375,049 are read, Thirty-two billions ; four hundred and seven thousand, two hundred and eighty millions; three hundred and seventy-five thousand, and forty-nine.
Thus, Forty-seven is written... 47
EXERCISES. Write in figures the following, Fifty-four - Eighty-nine — Two hundred and thirty-six.
When the number contains thousands Thus-Five thousand, two hundred and forty, is written.... 5,240 Eighty-four thousand, and thirty-seven.
84,037 Six hundred and ninety-one thousand, two hundred and seventy-five......
691,275 EXERCISES. Express in figures, Three thousand, one hundred and eighty-four. Forty-nine thousand, two hundred and eight.
Six hundred and seventy-three thousand, one hundred and seventynine.