Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση

DABOLL'S

SCHOOLMASTER'S ASSISTANT,

JESSE.O.V...?ATTEN

ARITHMETICAL TABLES.

Numeration Table.

Pence Table

40

60

60

Hundreds of Millions. coco Tens of Millions. 000 Millions. oco no Hundreds of Thousands.

conosc Tens of Thousands.
00 Voer A Thousands.

vos en A WHundreds.
co voor A W Tens.
@ 10OT A WNI Units.

d. 3. d. d.

S. 20 is 1 8 12 is 1 30 2 6 24 2

3 4 36 3 50 4 2 43 4

5 0 70 5 10 72 6 80 6 8 84 7 90

ng 6 96 8 100 8 4 108 9

1110 9 2 120 10 3 21120 10 0 132 11

3
5
6 5
7 6

make
7 4 farthings 1 penny, d
9 812 pence 1 shilling,

920 shilinga 1 pound, £1

8
9

[ocr errors]

ADDITION AND SUBTRACTION TABLE.

2 3 14 15 16 17 18 9 | 10 | 11 | 12 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 3 | 5 | 6 1? 8 | 9 | 10 | 11 |1213 | 14 | 15 4 | 6 | 7 | 8 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 5.17 18 19 10 | 11 | 12 | 13 | 14 | 15 16 | 17 6 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 7 | 9 10 | 11 | 12 | 13 14 15 | 16 | 17 | 18 | 18 8 | 10 | 11 | 12 | 13 | 14 | 15 16 | 17 | 18 | 19 | 20

9 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 21 10 | 12 | 13 | 14 | 15 | 16 17 | 18 19 | 20 | 21 | 22

MULTIPLICATION TABLE

1| 2 | 3 | 4 | 5 | 6 7 | 8 | 9 10 11 12 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 20/ 22 24 3 | 019 12 15 | 18 | 21 | 24 | 271 30 331 36 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 361 401 441 48 5 | 10 | 15| 20 | 25 | 30 | 35 | 40 | 45 50 55 60 6 | 12 | 181 24 | 30 | 36 | 42 | 48 | 54 60 66 72 7 | 14 | 21 28 | 35 | 42 | 49 | 56 | 63/ 701 771 84 S| 16 | 24 32 40 | 48 | 56 | 61 | 72 801 88 96 9 | 18 27 | 36 | 45 | 54 | 63 | 72 |81| 901 99/108 10 | 20 | 30 | 40 | 50 69 170 180 90/100/110/120 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99|1101 121|132 12 | 24 | 36 | 48 | 60 | 72 | 84 | 96 108 120132|1:44

To learn this Table : Find your multiplier in the left hand column, and the multiplicand a top, and in the cominon angle of meeting, or against your multiplier, along at the- right hand, and under your multiplicanıl, you will. and the product, or answer.

2 Troy Weight. 24 grains (gr.) make · 1 penny-weight, marked pwt. 20 penny-weights, 1 ounce, 12 ounces, 1 pound,

16. 3. Avoirdupois Weight.

[ocr errors]

OZ.

16 drams (dr.) make 1 ounce,
16 ounces,
1 pound,

16. 28 pounds, 1 quarter of a hundred weight, qr. 4 quarters,

1 hundred weight, cwt. 20 hundred weight,

1 ton,

T. By this weight are weighed all coarse and drossy goods, grocery wares, and all metals except gold and silver.

4. Apothecaries Weight: 20 grains (gr.) make

1 scruple, 3 scruples,

1 dram,

3 8 drams,

1 ounce,

- 3 12 ounces,

1 pound,

th. Apothecaries use this weight in compounding their medicines.

5. Cloth Measure.

4 nails (na.) make 1 quarter of a yard, qr: 4 quarters,

1 yard,

yd. 3 quarters,

1 Ell Flemish, E. FI. 5 quarters,

1 Ell English,

E. E. 6 quarters,

1 Ell French,

E. Ir 8. Dry Measure. 2 pints, (pt.) make

1 quart,

qt. 8 quarts,

1 peck, 4 pecks,

I bushel,

bu. This measure is applied to grain, beans, flax seed, salt, oare, oysters, coal, &c

[ocr errors]

pt.

qt. gal. 62.

7. Wine Measure. 4 gills(gr.) make

1 pint, 2 pints,

I quart, 4 quarts,

1 gallon, 31 gallons,

1 barrel, 42 gallons, 1 tierce,

ticr. 63 gallons, I hogshead,

hhd. 2 hogsheads, 1 pipe,

p. 2 pipes, 1 tun,

T. All brandies, spirits, inead, vinegar, oil, &c. are measured by wine nieasure. Note.-231 solid inches, make å gallon. 8. Long Measure.

in. 3 harley corns (b. c.) make 1 inch, marked 12 inches,

1 foot,

ft. feet,

1 yard,

yd. yards,

i rod, pole, or perch, rd. 40 rods,

1 furlong, 8 furlongs,

1 mile, 3 miles,

1 league,

lea. 69, statute miles,

1 degree, on the earth. 360 degrees, the circumference of the earth.

fur.

The use of long measure is to measure the distance of places, or any thing, where length is considered, without regard to breatlth.

N. B. În measuring the height of horses, 4 inches make 1 hand. In measuring depths, six feet make 1 fathom or French toise. Distance are ineasured by a chain, four rods long, containing one hundred links.

9. Land, or Square Measurc.

144 square

}

inches make

1 square foot. 9 square feet,

1 square yard 304 square yards, or 272 square feet,

1 square rod. 40 square rods,

1 square rood 4 square roods,

1 square acre. 640 square acres.

1 square mile. 10. Solid, or Cubic Measure. 1728 solid inches make

1 solid foot, 40 feet of round timber, or 50 feet of hewn timber,

1 ton or load. 128 solid feet or 8 feet long,

I cord of wood. 4 wide, and 4 high, Áll solids, or things that have length, breadth and depth, are measured by this measure. N. B. The wine gallon contains 231 solid or cubic inches, and the beer gallon, 282. A bushel contains 2150, 42 solid inches.

10.

10.

11. Time 60 seconds (S.) inake 1 minute, marked S. M 60 minutes,

1 hour,

h. 24 hours,

1 day,

d. 7 days,

1 week, 4 weeks,

1 month, 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June, and November, February twenty-eight alone, all the rest have thirty-one! N. B. In bissextile, or leap year, February has 29 days.

12. Circular Motion. 60 seconds (") make

1 minute, 60 minutes,

1 degree, so degrees,

S. 12 signs, or 360 degrees the whole great circle of the Zodiac.

1 sign,

« ΠροηγούμενηΣυνέχεια »