Mathematics for Common Schools, Part 2

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D. C. Heath, 1895 - Arithmetic
 

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Page 227 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Page 606 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Page 600 - V9 x 25 sq. ft. = 15 sq. ft. NOTE. — The mean proportional between two numbers is equal to the square root of their product. 13. Find the volume of the frustum of a square pyramid, its upper base containing 64 square inches, and its lower base 196 square inches, its altitude being 18 inches. 1294. Note that the mean proportional between 64 and 196 is 8 x 14, or 112. Since each is multiplied by one-third of the altitude, the operation is shortened by adding together the three areas, 64, 196, and...
Page 605 - Linear Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5£ yards = 1 rod (rd.) 320 rods = 1 mile (mi.) Cubic Measure 1728 cubic inches (cu.
Page 352 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.
Page 453 - Sixty days after sight of this First of Exchange (Second unpaid), pay to the order of John W.
Page 605 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Page 359 - The following is the table: 24 grains (gr.) 1 pennyweight (dwt.) 20 pennyweights 1 ounce (oz.) 12 ounces 1 pound (Ib.) The abbreviation for pennyweight is also written pwt. 829. The pound apothecaries' weight — used in putting up prescriptions — contains the same number of grains (5,760) as the pound troy.
Page 524 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Page 354 - What are the dimensions of the box that can be made of a piece of paper of the size shown in the following diagram? How many square inches of paper are needed for such a box (making no allowance for pasting) ? 4 in. 4 in.

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