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 44
... twice as many lacking 4 dollars , and C twice as many as both of the others ; what would have been the cost to each if the expense had been shared equally ? 34. If 3 cords of wood are worth 18 dollars , and 10 cords are given for 12 ...
... twice as many lacking 4 dollars , and C twice as many as both of the others ; what would have been the cost to each if the expense had been shared equally ? 34. If 3 cords of wood are worth 18 dollars , and 10 cords are given for 12 ...
Σελίδα 77
... - NOTE . Since 14 , of 1 = 2 ; or , since 1 = 2 , and 1 = 4 , there are twice as many fourths as halves in a number . 2. John had had he ? of a dollar ; how many sixths 3. A man bought of an acre of land at MENTAL ARITHMETIC . 77.
... - NOTE . Since 14 , of 1 = 2 ; or , since 1 = 2 , and 1 = 4 , there are twice as many fourths as halves in a number . 2. John had had he ? of a dollar ; how many sixths 3. A man bought of an acre of land at MENTAL ARITHMETIC . 77.
Σελίδα 91
... twice Richard's money is as much as Charles has ; if Charles has $ 42 , how much each have Henry and Richard ? 30. I have an orchard , in which of the trees bear peaches , bear apples , of them bear pears , 4 bear cherries , and 10 bear ...
... twice Richard's money is as much as Charles has ; if Charles has $ 42 , how much each have Henry and Richard ? 30. I have an orchard , in which of the trees bear peaches , bear apples , of them bear pears , 4 bear cherries , and 10 bear ...
Σελίδα 95
... twice what per cent . of $ 150 ? is what per cent . of 12 ? 23 . NOTE . 12 = 25 = 5 ; and is the same per cent . of 50 as 1 is of 50 . 24 . 25 . is what per cent . of 4 ? I is what per cent . of 2 ? of is what per cent . of of 16 per ...
... twice what per cent . of $ 150 ? is what per cent . of 12 ? 23 . NOTE . 12 = 25 = 5 ; and is the same per cent . of 50 as 1 is of 50 . 24 . 25 . is what per cent . of 4 ? I is what per cent . of 2 ? of is what per cent . of of 16 per ...
Σελίδα 112
... twice as much rye as wheat , twice as much wheat as buckwheat , and as much barley as rye ; there are 120 bushels in all ; how much of each kind ? 3 ΤΟ 15. John has 26 cents ' worth of marbles , of the number of which are worth 8 to a ...
... twice as much rye as wheat , twice as much wheat as buckwheat , and as much barley as rye ; there are 120 bushels in all ; how much of each kind ? 3 ΤΟ 15. John has 26 cents ' worth of marbles , of the number of which are worth 8 to a ...
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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