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3 barley-corns 1 inch 12 inches ...... 1 foot 3 feet

6 feet

20 are 10 5 yds. 30 1 10 40 poles

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3 miles 69 miles

40 2 0 8 fur. 50... 2 10 60... 3 0 70 ... 3 10 80 4 0 90... 4 10 100 5 0 ... 5 10 6 0

...

110
... 6 0
120 ...

80 6 8
84... 7 0

90

... 7 6 96 8 0 100 8 4 108 9 0 120 ...10 0

MULTIPLICATION.

15| 20 | 25 | 30 | 35 | 40

6|12|18| 24 | 30 | 36 | 42 | 48 |

7 14 | 21 | 28 | 35 | 42 | 49 | 56 816 24 | 32 | 40 | 48 | 56 | 64

...

130 6 10

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140 7 0 150 7 10 160 8 0 170 8 10

...... 1 yard ...... 1 fathom ...... 1 pole 1 furlong

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1 mile

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LAND MEASURE.

9 feet make 1 yard 1 pole

30

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yds. 40 poles 1 rood

4 roods...... 1 acre

CLOTH MEASURE.

24 inch. make 1 nail

180... 9 0

4 nails 3 qrs.

4 qrs.

5 qrs.

6 qrs.

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60 sec. 60 min.

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24 hours... 1 day 7 days ... 1 week 4 weeks... 1 month

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DRY MEASURE. 2 gall. make 1 peck 4 pecks 1 bushel 4 bushels ... 1 sack 8 bushels... 1 quarter 4 quarters... 1 chaldron 10 quarters... 1 last

SOLID MEASURE. 1728 inches 1 solid foot 27 feet ... 1 yard

COAL MEASURE. 3 bushels ... 1 sack 56 bushels... 1 cha'dron

CUSTOMARY WEIGHT OF GOODS. lb.

56 64

A firkin of butter is
A firkin of soap ......
A barrel of pot ashes 200)
A barrel of anchovies 30
A barrel of soap...... 256
A barrel of butter... 224
A fother of lead, 19

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cwt, 2 qrs. or...... 2184 A barrel of candles....120 A stone of iron or shot ........ A gallon of train oil A fagot of steel 120 A stone of glass 5 A seam of glass 24 stone, or ............ 120 A roll of parchment, 5 dozen skins A barrel of figs from

nearly 96 to......... 360

THE

TUTOR'S ASSISTANT;

BEING A COMPENDIUM OF

PRACTICAL ARITHMETIC,

FOR THE USE OF

SCHOOLS, OR PRIVATE STUDENTS:

CONTAINING,

the utmost perspicuity; with Involu
tion, Evolution, Position, Progression,
and the calculation of Interest and An-
nuities, on an extended scale.

ex-

1. Arithmetic in Whole Numbers; the Rules || III. Decimal Fractions; elucidated with
of which are expressed in a clear, con-
cise, and intelligible manner; and the
operations illustrated by examples work-
ed at length, and by numerous explan-
atory notes and observations; with an
ample variety of Examples for the exer-
cise of Learners, calculated to initiate
them in the Knowledge of Real Business.
Also the New Commercial Tables, adap-
ted to the present Legislative regulations
of Weights and Measures, and the modern
practice of Trade.

II. Vulgar Fractions; explained in an
easy and familiar manner; in the prac-
tice of which the most elegant and ab-
breviated modes of operation are pecu-
liarly inculcated.

IV. Duodecimals; or the Multiplication of
Feet and Inches; with numerous
amples for practice, adapted to the va-
rious business of Artificers.

V. Mensuration of Superficies; preceded
by plain and concise Geometrical Defini-
tions.

VI. A Collection of Questions, promiscu-

ously arranged; intended as recapitula-
tory exercises in the principal Rules of
Arithmetic.

VII. A Compendious System of Book-keep-
ing.

BY FRANCIS WALKINGAME,
Writing-master and Accountant.

THE TWELFTH EDITION;
REVISED, CORRECTED, AND ENLARGED
by the addition of

SUPERFICIAL MENSURATION,

and a Compendium of

BOOK-KEEPING BY SINGLE ENTRY;

BY WILLIAM BIRKIN,
Master of an Academy in Derby.

DERBY:

Printed and published by

HENRY MOZLEY AND SONS;

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