A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual Course, Designed for Schools and AcademiesRobert S. Davis & Company, 1858 - 154 σελίδες |
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Σελίδα 67
... Reduce 15 to thirds . To fifths . 14. How can you reduce a whole number to a fraction having any given denominator ? 15. How many times in 5 ? In 16 ? 16. How many times in 7 ? 17. How many times in 9 ? 18. In 6 how many thirds ? In 10 ...
... Reduce 15 to thirds . To fifths . 14. How can you reduce a whole number to a fraction having any given denominator ? 15. How many times in 5 ? In 16 ? 16. How many times in 7 ? 17. How many times in 9 ? 18. In 6 how many thirds ? In 10 ...
Σελίδα 68
... Reduce 32 to an equivalent whole number . 37. Reduce to an equivalent mixed number . 38. Reduce to an equivalent mixed number . 39. Reduce to an equivalent mixed number . 40. Reduce 25 to an equivalent mixed number . 41. Reduce to an ...
... Reduce 32 to an equivalent whole number . 37. Reduce to an equivalent mixed number . 38. Reduce to an equivalent mixed number . 39. Reduce to an equivalent mixed number . 40. Reduce 25 to an equivalent mixed number . 41. Reduce to an ...
Σελίδα 69
... Reduce and 53. Reduce to their lowest terms . 54. Reduce 55. Reduce 56. Reduce 12 and to their lowest terms . and to their lowest terms . and 57. Reduce 1 and 2 58. Reduce 15 and 59. Reduce and 60. Reduce 8 and 61. Reduce 8 and 62. Reduce ...
... Reduce and 53. Reduce to their lowest terms . 54. Reduce 55. Reduce 56. Reduce 12 and to their lowest terms . and to their lowest terms . and 57. Reduce 1 and 2 58. Reduce 15 and 59. Reduce and 60. Reduce 8 and 61. Reduce 8 and 62. Reduce ...
Σελίδα 78
... six- teenths ? 16. is how many ninths ? How many twelfths ? 17. is how many sixths ? How many 3 18 twelfths ? 18. Reduce and to a common denominator . NOTE . Fractions are said to have a common denominator 78 GREENLEAF's.
... six- teenths ? 16. is how many ninths ? How many twelfths ? 17. is how many sixths ? How many 3 18 twelfths ? 18. Reduce and to a common denominator . NOTE . Fractions are said to have a common denominator 78 GREENLEAF's.
Σελίδα 79
... Reduce and to a common denominator . 20. Reduce 1 , 4 , and § to a common denomi- nator . 21. Change and 22. Change and 23. Change , 2 , and nator . to a common denominator . to fourths . to a common denomi- 24. A farmer sold of a ...
... Reduce and to a common denominator . 20. Reduce 1 , 4 , and § to a common denomi- nator . 21. Change and 22. Change and 23. Change , 2 , and nator . to a common denominator . to fourths . to a common denomi- 24. A farmer sold of a ...
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Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 days 20 per cent 50 cents 9 cents 9 dollars acres amount of $200 barrel of flour bought boys bushel cost bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece cistern contained cords of wood cows decimal decimal fraction dimes dollar a bushel dollars a yard earn eight equal factors fifths fourths fraction furlongs gain $6 gallons gave Harry Hubbard hogshead hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC miles an hour molasses months and 20 Multiply NOTE oranges ounces paid pecks pence pennyweights pints pounds of butter pounds of sugar present worth quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths subtract tens third tons of hay weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 55 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 115 - ... miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4.
Σελίδα 100 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 52 - 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.
Σελίδα 108 - The Dividend is the number to be divided. The Divisor is the number by which we divide.
Σελίδα 47 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 48 - 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 116 - 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 57 - TABLE. 12 units make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units " 1 score. 24 sheets of paper " 1 quire. 20 quires " 1 ream. 56 pounds " 1 bushel of corn. 60 pounds " 1 bushel of wheat. 196 pounds " 1 barrel of flour. 200 pounds « { l bari;el, of beef, pork
Σελίδα 53 - TABLE. 1728 cubic inches (cu. in.) make 1 cubic foot, ...... cu. ft. 27 cubic feet