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
... less , and denotes that the quantity on the right of it is to be subtracted from that on the left ; as 8-6 equals 2 . 4. The sign of multiplication , an inclined cross , X , is read times , or multiplied by , and denotes that the ...
... less , and denotes that the quantity on the right of it is to be subtracted from that on the left ; as 8-6 equals 2 . 4. The sign of multiplication , an inclined cross , X , is read times , or multiplied by , and denotes that the ...
Σελίδα 19
... gained by the bar- gain ? 34. 40 less 28 are how many ? 35. A man paid 14 dollars to one man , and 4 to another ; how much more did he pay to one than the other ? 36. From a vessel containing 40 gallons , 15 gal- MENTAL ARITHMETIC . 19.
... gained by the bar- gain ? 34. 40 less 28 are how many ? 35. A man paid 14 dollars to one man , and 4 to another ; how much more did he pay to one than the other ? 36. From a vessel containing 40 gallons , 15 gal- MENTAL ARITHMETIC . 19.
Σελίδα 20
... less 3 are how many ? 5 less 3 are how many ? 6 less 4 are how many ? 5. 7 less 5 are how many ? 6. 7 less 4 are how many 7.8 less 6 are how many ? 9 less 5 are how many ? 9. 10 less 9 are how many ? 8 . 10. 11 less 11. 13 less 12. 12 ...
... less 3 are how many ? 5 less 3 are how many ? 6 less 4 are how many ? 5. 7 less 5 are how many ? 6. 7 less 4 are how many 7.8 less 6 are how many ? 9 less 5 are how many ? 9. 10 less 9 are how many ? 8 . 10. 11 less 11. 13 less 12. 12 ...
Σελίδα 21
... less 8 are how many ? 21. 30 less 10 are how many ? 22. 42 less 10 are how many ? 23. 24 less 10 are how many ? 24. 30 less 15 are how many 25. 20 less 5 are how many ? 26. How many are 27. How many are 28. How many are 24 12 ? 30 ― ― 8 ...
... less 8 are how many ? 21. 30 less 10 are how many ? 22. 42 less 10 are how many ? 23. 24 less 10 are how many ? 24. 30 less 15 are how many 25. 20 less 5 are how many ? 26. How many are 27. How many are 28. How many are 24 12 ? 30 ― ― 8 ...
Σελίδα 22
... less than 46 is 25+ 10 ? 12. How much less than 58 is 31+ 19 ? 13. How much less than 45 is 59 - 19 ? 14. How much greater than 49 is 63-13 ? 15. How much greater than 63 is 87 22 ? - 16. How much more than 40 + 13 is 60 ? 17. How much ...
... less than 46 is 25+ 10 ? 12. How much less than 58 is 31+ 19 ? 13. How much less than 45 is 59 - 19 ? 14. How much greater than 49 is 63-13 ? 15. How much greater than 63 is 87 22 ? - 16. How much more than 40 + 13 is 60 ? 17. How much ...
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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