A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 15
... 50 ? 28 ? 68 ? 70 ? 9 and 80 ? 9 and 90 ? 3 8 9 and 60 ? 9 and 20. How many are 10 and 10 ? 10 and 20 ? 10 and 30 ? 10 and 40 ? 10 and 70 ? 10 and 80 ? 10 and 50 ... cents for an MENTAL ARITHMETIC . ↑ 15.
... 50 ? 28 ? 68 ? 70 ? 9 and 80 ? 9 and 90 ? 3 8 9 and 60 ? 9 and 20. How many are 10 and 10 ? 10 and 20 ? 10 and 30 ? 10 and 40 ? 10 and 70 ? 10 and 80 ? 10 and 50 ... cents for an MENTAL ARITHMETIC . ↑ 15.
Σελίδα 16
Benjamin Greenleaf. LESSON VII . 1. Charles gave 15 cents for an arithmetic , 10 cents for a grammar , and 8 cents ... 50 dollars , a saddle 9 dollars , and a whip 1 dollar , what is the value of the whole ? 9. A boy found 62 chestnuts ...
Benjamin Greenleaf. LESSON VII . 1. Charles gave 15 cents for an arithmetic , 10 cents for a grammar , and 8 cents ... 50 dollars , a saddle 9 dollars , and a whip 1 dollar , what is the value of the whole ? 9. A boy found 62 chestnuts ...
Σελίδα 17
... 50 bushels of corn , and 20 bushels of turnips ; how many bushels in all did he raise ? 21. Rufus received 40 cents on his birthday , and 40 cents at Christmas ; how many cents did he receive in all ? 22. A farmer kept his sheep in 4 ...
... 50 bushels of corn , and 20 bushels of turnips ; how many bushels in all did he raise ? 21. Rufus received 40 cents on his birthday , and 40 cents at Christmas ; how many cents did he receive in all ? 22. A farmer kept his sheep in 4 ...
Σελίδα 22
... cents , some pencils for 6 cents ; if he had at first 30 cents , how much more has he to spend ? 10. Isabel is 25 ... 50 fishes ; how many did he catch ? 19. Bought one barrel of pork for 18 dollars , and another for 16 dollars ; and ...
... cents , some pencils for 6 cents ; if he had at first 30 cents , how much more has he to spend ? 10. Isabel is 25 ... 50 fishes ; how many did he catch ? 19. Bought one barrel of pork for 18 dollars , and another for 16 dollars ; and ...
Σελίδα 23
... cents for candy , and 21 cents for fruit ; how much more would he have to spend to make 50 cents ? 21. Thirty - two , and eight , and five , less ten , are how many ? 22. Twenty - eight , and three , and nine , less twelve , are how ...
... cents for candy , and 21 cents for fruit ; how much more would he have to spend to make 50 cents ? 21. Thirty - two , and eight , and five , less ten , are how many ? 22. Twenty - eight , and three , and nine , less twelve , are how ...
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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.