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A Collection of Questions A general Table for calcu-
set down promiscuously, lating Interests, Rents,
= Equul.- The sign of Equality; as 4 qrs.=I crt.
signifies that 4 qrs, are equal to 1 cwt.
2=5, that is S lessened by 2 is equal to 6.
that is + added to 4 more is equal to 8, X Multiplied by.—The Sign of Multiplication ; as 4X
6=24, that is 4 multiplied by 6 is equal to 24. • Divided by.—'The Sign of Division ; as 8-21,
that is, 9 divided by 2 is equal to 4. :: So is.—The sign of Proportion; as 2:4::8:16,
that is, as 2 is to 4, so is 8 to 16. 7–2+5=10.-Shew's that the difference between 2 and
7, added to 5 is equal to 10. 9_2+5=2.-Signifies that the sum of 2 and 5, taken
tìom 9, is equal to 2.
that they must be taken together which are under
sion would be ambiguous.
of that number is required.
the figures above the line are the Numerator, and those beloir
value of the fraction.
manner :--- The Numerator may be any indefinite number,
root of numbers.
mainder the Decimal will be equal in value with the fraction.
always 10, 100, 1000, &c. A Decimal is only distinguished
from a whole number by pretixing of (,) a comma.
value, hy drawing a line under it and nlacing an unit and
COMPENDIUM OF ARITHMETIC.
ARITHMETIC IN WHOLE NUMBERS.
is bers, and has five. principal or fundamental Rules upon which all its operations depend, viz.
NOTATION of NUMERATION, ADDITION, SUBTRACTION, MULTIPLICATION, and Division.
NUMERATION TEACHETH the different Value of Figures by their differex.
Places, and to read and write any Sụm or Number.
Rulk. There are three Periods ; the first on the Right Hand, "Inits; the second Thousands; and the third Millions ; each consisting of three Figures, or Places. Reckon the first Figure uf each from the left Hand as so many Hundreds, the next
Tens, and the third as so many single Ones of what is written over thein. As the first period on the Left Hand is read thus, Nine hundred eighty-seven Willions; and so on for any of the rest.
Write down in proper figures the following Numbers : Twenty-three Two hundred and fifty-four. Three thousand, two hundred and four. Twenty-five thousand, eight hundred and fifty-six. One hundred, thirty-two thousand, two hundred forty-five. Four millions, nine hundred forty-one thousand, four hundred.
Twenty-seven millions, one hundred fifty-seven thousand, eight buindred thirty-two.
Seven hundred twenty-two millions, two hundred thirty-one thousand, five hundred and four.
Six hundred two millions, two hundred ten thousand, five bundred.
Write down in Words at Length the following Numbers.
5201 754058 2071909 900061057
NOTATION BY ROMAN LETTERS. 1. One
XXX. Thirty v. Two
LXXX. Eighty VII. Seven
XC. Ninety VIII. Eight
C. Hundred IX. Nine
CC. Two hundred
CCC. Three hundred
CCCC. Four Ilundred
D. Five Hundred XIII. Thirtcen
DC. Six hundred XIV. Fourteen
DCC. Seven hundred XV. Fifteen
DCCC. Eight hundred XVI Sixteen
TCCCC.Nine hundred XVII. Seventeen
One Thousand XVIII. Eighteen
MDCCCXIII One thousand XIX. Nineteen
eight hundred and thirteen XX. Twenty