A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 3
... given toward the end of the book , constitute a feature peculiar to this work . These will be found useful , it is believed , as an intellectual drill , and also exceedingly valuable for preparing the learner to dispense with writ- ten ...
... given toward the end of the book , constitute a feature peculiar to this work . These will be found useful , it is believed , as an intellectual drill , and also exceedingly valuable for preparing the learner to dispense with writ- ten ...
Σελίδα 4
... given promptly . No form of solution should be allowed to pass , unless it is neatly expressed , and is entirely accurate . Classes in an advanced course of written arithmetic , and in algebra , that have not had a suitable preliminary ...
... given promptly . No form of solution should be allowed to pass , unless it is neatly expressed , and is entirely accurate . Classes in an advanced course of written arithmetic , and in algebra , that have not had a suitable preliminary ...
Σελίδα 6
... given to a beggar 4 cents , found she then had left 7 cents ; how many cents had she at first ? 28. Alfred bought a'hook for 4 cents , and a line for 8 cents ; how much did both cost ? 29. A farmer sold 4 cows , and then had 9 left ...
... given to a beggar 4 cents , found she then had left 7 cents ; how many cents had she at first ? 28. Alfred bought a'hook for 4 cents , and a line for 8 cents ; how much did both cost ? 29. A farmer sold 4 cows , and then had 9 left ...
Σελίδα 7
... given him ; how many then had he ? 28. John gave to one school - mate 5 nuts , and to another the same number ; how many did he give to both ? 29. Olive had 5 pins on her cushion , and MENTAL ARITHMETIC . 7 LESSON II. ...
... given him ; how many then had he ? 28. John gave to one school - mate 5 nuts , and to another the same number ; how many did he give to both ? 29. Olive had 5 pins on her cushion , and MENTAL ARITHMETIC . 7 LESSON II. ...
Σελίδα 8
... given you , how many would you then have ? 35. How many slates are 6 slates and 3 slates ? 36. Gave 6 cents for paper , and 4 cents for quills ; how many cents were paid for both ? 37. If you should give 6 dollars for a vest , and 5 ...
... given you , how many would you then have ? 35. How many slates are 6 slates and 3 slates ? 36. Gave 6 cents for paper , and 4 cents for quills ; how many cents were paid for both ? 37. If you should give 6 dollars for a vest , and 5 ...
Άλλες εκδόσεις - Προβολή όλων
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.