Mental Arithmetic, Upon the Inductive Plan: For Beginners

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R.S. Davis and Gould, Kendall, Lincoln, 1849 - Arithmetic - 72 pages
 

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Page 61 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 49 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Page 55 - TABLE. 2^ inches in. make 1 nail marked na. 4 nails - - - 1 quarter of a yard qr. 4 quarters - - - 1 yard - - yd. 3 quarters - - - 1 Ell Flemish - E. Fl. 5 quarters - - - 1 Ell English - EE 6 quarters - - - 1 Ell French - E. Fr.
Page 54 - Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5$ yards or 16$ feet = 1 rod (rd.) 320 rods or 5280 feet = 1 mile (mi.) Square Measure 144 square inches (sq.
Page 52 - Weight is used by apothecaries and physicians in weighing medicines for prescriptions, but medicines are bought and sold by avoirdupois weight. TABLE. 20 Grains (gr.) = 1 Scruple . . . sc., or 3 3 Scruples = 1 Dram . . . . dr., or 3 8 Drams = 1 Ounce . . . oz., or 5 12 Ounces = 1 Pound . . . Ib. , or Ib Apothecaries' Liquid Measure is used in compounding and measuring liquid medicines.
Page 62 - TABLE. 60 seconds" make 1 minute, marked '. 60 minutes • 1 degree, °. 30 degrees - 1 sign, s. 12 signs or 360° 1 circle, c.
Page 26 - If 1 pound of iron cost 7 cents, what cost 2 pounds ? 3 pounds ? 5 pounds ? 6 pounds ? 7 pounds ? 8 pounds ? 9 pounds ? 12 pounds ? 15. If 1 pound of raisins cost 6 cents, what cost 4 pounds ? 5 pounds ? 6 pounds ? 7 pounds ? 8 pounds ? 9 pounds ? 10 pounds ? 12 pounds ? 16.
Page 60 - TABLE. 60 Seconds (sec.) make 1 Minute, m. 60 Minutes " 1 Hour, h. 24 Hours " 1 Day, d. 7 Days
Page 57 - Pint, marked pt. 2 Pints 1 Quart, qt. 4 Quarts 1 Gallon, gal. 42 Gallons 1 Tierce, tier.
Page 50 - Britain. 4 farthings (qr, or far.) make 1 penny, marked d. 12 pence " 1 shilling, " s. 20 shillings " 1 pound, or sovereign, £. 21 shillings " 1 guinea. OBS. 1. It is customary, at the present day, to express farthings in fractions of a penny. Thus, 1 qr. is written ;<!;•_

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