Mathematics for Common Schools, Μέρος 2D. C. Heath, 1895 |
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Σελίδα 201
... Change to a mixed number . Change the fractional part to a different fraction hav- ing the same value . What fraction of a dime is 1 cent ? dime cents ? = 10 . = = how many dime how many cents ? . Change to tenths . ... Add dime , dime ...
... Change to a mixed number . Change the fractional part to a different fraction hav- ing the same value . What fraction of a dime is 1 cent ? dime cents ? = 10 . = = how many dime how many cents ? . Change to tenths . ... Add dime , dime ...
Σελίδα 205
... Change 74 to a mixed number . 15. Reduce to lowest terms . 16. What part of a dollar is 15 cents ? 17. Add and . 18. From take † . 19. Reduce 1 to 60ths . 20. Which is largest , § , 4 , or § ? 21. of 84 = ? 22. From " . take 4 . 23 ...
... Change 74 to a mixed number . 15. Reduce to lowest terms . 16. What part of a dollar is 15 cents ? 17. Add and . 18. From take † . 19. Reduce 1 to 60ths . 20. Which is largest , § , 4 , or § ? 21. of 84 = ? 22. From " . take 4 . 23 ...
Σελίδα 207
... change will I receive ? 5. A merchant pays $ 30 for 65 vases . He sells 17 of them at 40 cents each , 23 at 60 cents each , and receives 48 cents each for the others . What is his profit ? 6. Mrs. Jones buys a mirror for $ 13.00 . MIXED ...
... change will I receive ? 5. A merchant pays $ 30 for 65 vases . He sells 17 of them at 40 cents each , 23 at 60 cents each , and receives 48 cents each for the others . What is his profit ? 6. Mrs. Jones buys a mirror for $ 13.00 . MIXED ...
Σελίδα 214
... 2 . 3 by & . 489. Slate Exercises . Divide 250 by 121 . 12 · * 25 halves . 250 500 halves ÷ 25 halves = = 500 halves . 500 25 20 , Ans . ÷ = Divide 1,387 by 184 . 1875 fourths . Change 1,387 214 ARITHMETIC . Division of Mixed Numbers.
... 2 . 3 by & . 489. Slate Exercises . Divide 250 by 121 . 12 · * 25 halves . 250 500 halves ÷ 25 halves = = 500 halves . 500 25 20 , Ans . ÷ = Divide 1,387 by 184 . 1875 fourths . Change 1,387 214 ARITHMETIC . Division of Mixed Numbers.
Σελίδα 215
John Henry Walsh. Divide 1,387 by 184 . 1875 fourths . Change 1,387 to fourths by multiplying by 4 . 1,387 × 4 = 5,550 ; that is , 1,3871⁄2 = 5,550 fourths . 75 fourths is contained in 5,550 fourths 74 times . Ans . 74 75 ) 5550 300 00 ...
John Henry Walsh. Divide 1,387 by 184 . 1875 fourths . Change 1,387 to fourths by multiplying by 4 . 1,387 × 4 = 5,550 ; that is , 1,3871⁄2 = 5,550 fourths . 75 fourths is contained in 5,550 fourths 74 times . Ans . 74 75 ) 5550 300 00 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres adjacent angles angle base measures bought bushels cents chord circle circumference cone Construct contain convex surface cube cubic cubic foot decimal degrees diameter discount Divide divisor dollar Draw equal equilateral triangle feet long feet wide Find the amount Find the area Find the cost Find the number Find the value fraction frustum gallons greatest common divisor horses hypotenuse inches wide isosceles triangle June least common multiple longitude meters miles minutes months Multiply oblique line Oral Exercises Oral Problems ounces paid payments perpendicular piece pounds Principal prism quarts quotient radius ratio receive rectangle rhombus right-angled triangle rods scalene triangle second number Selling price Sept sides measure slant height Slate Exercises Slate Problems sold sphere square feet square inches square pyramid square yards Subtract yards long
Δημοφιλή αποσπάσματα
Σελίδα 227 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 606 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 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...
Σελίδα 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.
Σελίδα 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.
Σελίδα 453 - Sixty days after sight of this First of Exchange (Second unpaid), pay to the order of John W.
Σελίδα 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
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.