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SCHOOLMASTER'S ASSISTANT.

ARITHMETICAL TABLES.

Numeration Table.

Pence Table.

d. 12 is 1 24 36

Hundreds of Millions. coco Tens of Millions.

co v Millions.
onovo Hundreds of Thousands.
en voor Tens of Thousands.
ce VOOR H Thousands.
CD VOTA C Hundreds.

d. s. d. 20 is 1 8 30 26 40 3 4 50 4 2 60 5 0 70 5 10 80 6 8 90 7 6 100 8 4 110 9 2 120 10 0

60 72 6 84 96 8 108 9 120 10 132 11

OC VOCTA cu 29 - Units.

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ADDITION AND SUBTRACTION TABLE.

1 2 31 41 510171 81 9 | 10 | 11 | 12
2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14
3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
41 61 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16
51 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17
61 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18
7 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19
8 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 2011
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 | 617 81 9 | 10 | 11 | 12 2 | 41 61 81 10 | 12 | 14 | 16 | 18 | 20 | 22 |_24 3 6 1 9 | 12 | 15 | 18 | 21 | 24 27 30 | 33 | 36, 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 40 | 44 | 48 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 50 55 | 601

| 12 | 13 | 24 | 30 | 36 | 42 | 48 | 54 | 60 661 72 7|14|21 | 28 | 35 | 42 | 49 | 56 | 63 70 | 77 | 84 8| 16 | 24 | 32 | 40 | 48 | 56 | 61 | 72 | .801 83 96

9 | 18 27 | 36 | 45 | 54 | 63 | 72 | 81 | 90 | 99 | 108 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 110 | 120 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99 | 110 | 121 | 132 12 | 24 | 36 | 48 | 60 | 72 | 84 | 96 | 108 | 120 | 132 | 144

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

0%.

1b.

02.

2. Troy Weight. 24 grains (gr.) make 1 penny-weight, marked put. 20 penny-weights,

1 ounce, 12 ounces,

I pound,

3. Avoirdupois Weight. 16 drams (dr.) make

1 ounce, 16 ounces,

1 pound,

Ib. 28 pounds, 1 quarter of a hundred weight,

gr. 4 quarters,

1 hundred weight,

cwt. 20 hundred weight,

1 tun.

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, I dram,

3 8 drams,

1 ounce, 12 owices, 1 pound,

ib 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,

I til Flemish, E. FI. 5 quarters

1 Ell English, E. E. 6 quarters,

1 Ell French, E. Fr.

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6. Dry Measure. 2 pints, (pt.) make

I quart,
I peck,

pk. 4 pecks, 1 bushel,

bu. This mcasure is applied to grain, beans, flax-seed, salt, oats, oysters, coal, &c.

8 quarts,

7. Winc Measure.

pt. qt. gal.

in.

4 gills (gi.) make

1 piut, 2 pints,

1 quart, 4 quarts,

1 gallon, 31 gallons, 1 barrel,

11. 42 gallons, 1 tierce,

tier. 63 gallons, I hogshead,

hhd 2 hogsheads, 1 pipe,

P. 2 pipes, 1 tun,

T. All brandies, spirits, mead, vinegar, oil, &c. are measu ed by wine measure.

Note. 231 solid inches, make a gal lon.

8. Long Measure. 3 barley corns (b. c.) make 1 inch, marked 12 inches,

1 foot,

ft. 3 feet,

1 yard, 5. yards,

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

1 furlong,

fur. 8 furlongs,

1 mile, 3 iniles,

1 league,

lea. 69 statute miles,

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

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

N. B. In measuring the height of horses, 4 inches make I band. In measuring depths, 6 feet make 1 fathom or French toise. Distances are measured by a chain, foursods long, containing one hundred links.

yd.

m.

1 square mile.

9. Land, or Square Measure.
square
inches make

! square foot. 9 square feet,

1 square yard. 39 square yards, or

or 272 square feet,

1 square rod. 40 squarc rods,

1
square

rood 4 square roods,

1 square acre, 640 square acres,

10. Solid, or Cubic Measure. 1728 solid inches make

I solid foot. 40 feet of round timber, or

1 tun or load. 50 feet of hewn timber, 128 solid feet, or 8 feet long,

1 cord of wood, 4 wide, and 4 high, All solils, or things that have lengtlı, 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.

mo.

11. Time. 60 seconds (S.) make 1 minute, marked

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 hath 29 days.

12. Circular Motion. 60 seconds (") make

1 minute, 60 minutes,

1 degree, 30 degrees,

s. 12 signs, or 360 degrees, llic whole great circle of the Zodiack.

I sig,

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