A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 59
... sevenths in a whole one ? 30. What is meant by 1 seventh of any thing ? By 2 sevenths ? By 4 sevenths ? By 6 sevenths ? 31. When 35 cents will buy a pound of butter , how many cents will buy 1 seventh of a pound ? 3 sevenths of a pound ? 5 ...
... sevenths in a whole one ? 30. What is meant by 1 seventh of any thing ? By 2 sevenths ? By 4 sevenths ? By 6 sevenths ? 31. When 35 cents will buy a pound of butter , how many cents will buy 1 seventh of a pound ? 3 sevenths of a pound ? 5 ...
Σελίδα 60
Benjamin Greenleaf. 33. How many whole ones in 14 sevenths ? In 17 sevenths ? In 23 sevenths ? In 39 sevenths ? In 84 sevenths ? 34. 17 is how many times 7 ? 35. 46 is how many times 7 ? 36. 35 is how many times 7 ? 37. 78 is how many times ...
Benjamin Greenleaf. 33. How many whole ones in 14 sevenths ? In 17 sevenths ? In 23 sevenths ? In 39 sevenths ? In 84 sevenths ? 34. 17 is how many times 7 ? 35. 46 is how many times 7 ? 36. 35 is how many times 7 ? 37. 78 is how many times ...
Σελίδα 61
... 7 is 1 fifth of what number ? 9 is 1 fourth of what number ? 5. 12 is 1 third of what number ? 6. 15 is I sixth of ... sevenths of how many times 7 ? 27. 24 is 4 twelfths of how many times 9 ? 28. 15 is 1 fourth of 5 times what number ...
... 7 is 1 fifth of what number ? 9 is 1 fourth of what number ? 5. 12 is 1 third of what number ? 6. 15 is I sixth of ... sevenths of how many times 7 ? 27. 24 is 4 twelfths of how many times 9 ? 28. 15 is 1 fourth of 5 times what number ...
Σελίδα 62
... sevenths of 63 are how many times 8 ? 43. 4 times 3 and 2 thirds of 3 are how many ? 44. 5 times 4 and 3 fourths of ... sevenths of 7 are how many ? ? 48. 9 times 8 and 7 eighths of 8 are how many ? 49. 6 times 9 and 5 ninths of 9 , are ...
... sevenths of 63 are how many times 8 ? 43. 4 times 3 and 2 thirds of 3 are how many ? 44. 5 times 4 and 3 fourths of ... sevenths of 7 are how many ? ? 48. 9 times 8 and 7 eighths of 8 are how many ? 49. 6 times 9 and 5 ninths of 9 , are ...
Σελίδα 64
Benjamin Greenleaf. 14. A farmer had 42 sheep , and sold 5 sevenths of them to 5 of his neighbors , each receiving an equal number ; how many did each receive ? 15. I had 24 cherries , but have divided 5 sixths of them among 10 children ...
Benjamin Greenleaf. 14. A farmer had 42 sheep , and sold 5 sevenths of them to 5 of his neighbors , each receiving an equal number ; how many did each receive ? 15. I had 24 cherries , but have divided 5 sixths of them among 10 children ...
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12 cents 12 days 12 dollars 20 per cent 40 dollars 50 cents 9 cents 9 dollars acres amount barrel of flour bought boys bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece contained cords of wood cows cubic feet decimal fraction denominator dimes dollar a bushel dollars a yard earn eight equal equivalent mixed factors fifths fourths furlongs gain gallons gave give hogshead horse hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC merator miles an hour mixed number molasses months Multiply nator NOTE oranges ounces paid pecks pence pennyweights pine-apple pints pounds of sugar present worth prime number quarters quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths square rods subtract tens third weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 28 - If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Σελίδα 122 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 55 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 50 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 46 - 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 53 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 47 - AVOIRDUPOIS WEIGHT. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred-weight, cwt. 20 Hundred-weight
Σελίδα 114 - A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern ? 10.
Σελίδα 66 - When the numerator is less than the denominator, the fraction is called a proper fraction ; when the numerator is equal to or larger than the denominator, the fraction is called an improper fraction ; when a fraction is joined with a whole number, the expression is called a mixed number.