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32 64

16 = 8 = 2 = 1 128

64 32 16 = 4 = 2 = 256

32 = 8 = 4 = 2 = 1 1280 640 = 320 = 160 = 40 = 20 = 10 = 5 = 2560 = 1210 = 640 = 320 = 80 = 40 = 20 = 10 =

11 11 11 11 11 11 111

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NAMES OF THE CALENDAR MONTHS.

31 days

9

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January has

July has....

31 days
February
28

August

31
March
31

September. 30
April
30

October

31
May..
31

November. 30
June
30

December

31 In Leap year February has 29 days.

Leap year occurs every fourth year; but one in every 400 years is omitted.

To find whether a year be a Leap year, divide by 4; if there be no remainder, the year is Leap year, unless the number of the year be a number of centuries divisible by Thus 1852, 1856, and 1900 are Leap years; but 2000 is not.

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12. Portugal. 400 Reas

11. Spain. 34 Maravedi 1 Real of Plate Il Reals 1 Ma. 1 Ducat of Plate 8 Reals

1 Dollar of Plate 4 Dollars

1 Pistole of Plate I Dollar 3 Shillings sterling

1 Crusado 1000 Reas

1 Milrea 1 Milrea

4s. 9fd. sterling

13. Genoa. 100 Centisimi

1 Lira nuova 1 Lira nuova 1 French franc

15. Denmark. 16 Skillings 1 Mark 6 Marks = 1 Rigsbank Dollar 9 Rigsb. Dol. 35 Sk.= £l sterling

17. The United States. 100 Cents

1 Dollar 1 Dollar = 4s. 6d.

=

14. Saxony. 10 Pfennige I Grosche 30 Groschen 1 Dollar 6 Doll. 18 Gros.= £1 Sterling

16. Sweden and Norway. 12 Runstycken i Skilling 48 Skillings = 1 Riks dollar 12 Riks d. 2 Sk. = £l sterling

18. East Indies. 12 Pice

1 Anna 46 Annas

1 Rupee 1 Comp. Rupee= ls. 10 d. I Sicca Rupee ls. 11d.

19. The Cape of Good Hope. 4 Stivers

1 Shilling 8 Shillings 1 Rix dollar 1 Rix dollar 1s. 6d. sterling

20. China. 10 Mace

1 Tael 71 Taels

100 Dollars 1 Dollar 4s. 7d.

THE

PRINCIPLES OF ARITHMETIC

A

TAUGHT IN

PROPOSITIONS.

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