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 4
... multiplication , an inclined cross , X , is read times , or multiplied by , and denotes that the quantities between which it is placed are to be multiplied together ; as 5 X 4 equals 20 . 5. The sign of division , a horizontal line ...
... multiplication , an inclined cross , X , is read times , or multiplied by , and denotes that the quantities between which it is placed are to be multiplied together ; as 5 X 4 equals 20 . 5. The sign of division , a horizontal line ...
Σελίδα 72
... a bushel ? NOTE . Dividing the denominator by any number affects the value of a fraction the same as multiplying the numerator . The denominator of divided by 5 gives ‡ = 4 . 26. If a man can reap of an acre in 72 GREENLEAF's.
... a bushel ? NOTE . Dividing the denominator by any number affects the value of a fraction the same as multiplying the numerator . The denominator of divided by 5 gives ‡ = 4 . 26. If a man can reap of an acre in 72 GREENLEAF's.
Σελίδα 73
... multiply a fraction by a whole number ? 35. How many cords of wood , at $ 5 a cord , will pay for 8 barrels of flour , at $ 10g a barrel ? 36. How many loads of hay , at $ 11 a load , will pay for 5 yards of cloth , at $ 4 a yard , and ...
... multiply a fraction by a whole number ? 35. How many cords of wood , at $ 5 a cord , will pay for 8 barrels of flour , at $ 10g a barrel ? 36. How many loads of hay , at $ 11 a load , will pay for 5 yards of cloth , at $ 4 a yard , and ...
Σελίδα 79
... Multiplying both the nu- merator and denominator by the same number , does not alter the value of a fraction . 19. Reduce and to a common denominator . 20. Reduce 1 , 4 , and § to a common denomi- nator . 21. Change and 22. Change and ...
... Multiplying both the nu- merator and denominator by the same number , does not alter the value of a fraction . 19. Reduce and to a common denominator . 20. Reduce 1 , 4 , and § to a common denomi- nator . 21. Change and 22. Change and ...
Σελίδα 80
... multiplying or dividing both the nu- merator and denominator by the same number alter the value of a fraction ? 52. What number added to of 31 will make 25 ? 53. What number taken from 2 of 26 will leave 16 ? 54. If you should sell of ...
... multiplying or dividing both the nu- merator and denominator by the same number alter the value of a fraction ? 52. What number added to of 31 will make 25 ? 53. What number taken from 2 of 26 will leave 16 ? 54. If you should sell of ...
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Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
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