A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 4
... added to , and denotes that the quantities between which it is placed are to be added together ; as 4 + 6 equals 10 . - is read 3. The sign of subtraction , a short horizontal line , minus , or less , and denotes that the quantity on ...
... added to , and denotes that the quantities between which it is placed are to be added together ; as 4 + 6 equals 10 . - is read 3. The sign of subtraction , a short horizontal line , minus , or less , and denotes that the quantity on ...
Σελίδα 80
... added to 3 of 31 will make 25 ? 53. What number taken from 2 of 26 will leave 161 ? 54. If you should sell of your apples , and give away , what part would you have remaining ? 55. George , being asked his age , replied , if he were and ...
... added to 3 of 31 will make 25 ? 53. What number taken from 2 of 26 will leave 161 ? 54. If you should sell of your apples , and give away , what part would you have remaining ? 55. George , being asked his age , replied , if he were and ...
Σελίδα 88
... if his pay be at the rate of of a dollar an hour ? 34. If 1 pecks be added to of a bushel , what part of a bushel will there then be ? 35. If from of a hundred - weight there be taken of a quarter , what part of a hundred 88 GREENLEAF'S.
... if his pay be at the rate of of a dollar an hour ? 34. If 1 pecks be added to of a bushel , what part of a bushel will there then be ? 35. If from of a hundred - weight there be taken of a quarter , what part of a hundred 88 GREENLEAF'S.
Σελίδα 89
... added , the number will be 48 ? 9. What number is that to which if its half and fourth be added , the sum will be 100 ? · 10. A lady , being asked how old she was , an- swered , that if and of her age were added to ⚫ her age , it would ...
... added , the number will be 48 ? 9. What number is that to which if its half and fourth be added , the sum will be 100 ? · 10. A lady , being asked how old she was , an- swered , that if and of her age were added to ⚫ her age , it would ...
Σελίδα 102
... added ; and 8 per cent . is 6 per cent . with added . per cent . 20. Find the interest of $ 42 for 3 years and 2 months , at 6 per cent . At 4 per cent . At 5 At 7 per cent . At 8 per cent . 21. Find the interest of $ 85 for 2 years ...
... added ; and 8 per cent . is 6 per cent . with added . per cent . 20. Find the interest of $ 42 for 3 years and 2 months , at 6 per cent . At 4 per cent . At 5 At 7 per cent . At 8 per cent . 21. Find the interest of $ 85 for 2 years ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.