A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 19
... difference of their ages ? 24. A farmer raised 25 bushels of beans , and 11 bushels of peas ; how many more bushels of beans did he raise than of peas ? 25. Henry had 35 pins , and lost 15 of them ; how many had he left ? 26. Mary went ...
... difference of their ages ? 24. A farmer raised 25 bushels of beans , and 11 bushels of peas ; how many more bushels of beans did he raise than of peas ? 25. Henry had 35 pins , and lost 15 of them ; how many had he left ? 26. Mary went ...
Σελίδα 23
... difference in their ages ? 33. James found under one tree 20 apples , under another 16 , under another 8 ; and having given his brother 6 , eaten 5 , and thrown away some that were defective , he had 20 left ; how many did he throw away ...
... difference in their ages ? 33. James found under one tree 20 apples , under another 16 , under another 8 ; and having given his brother 6 , eaten 5 , and thrown away some that were defective , he had 20 left ; how many did he throw away ...
Σελίδα 98
... difference is there ? 33. Two men go into partnership ; A puts in $ 200 , and B $ 150 ; their profits are $ 32 ; how much per cent . do they gain on their capital , and what is each one's share ? 34. Buying $ 150 worth of goods , I lose ...
... difference is there ? 33. Two men go into partnership ; A puts in $ 200 , and B $ 150 ; their profits are $ 32 ; how much per cent . do they gain on their capital , and what is each one's share ? 34. Buying $ 150 worth of goods , I lose ...
Σελίδα 120
... difference re- quired is , therefore , 4 tens and 3 , or 43 . 2. Take 28 from 99 ; 33 from 85 ; 46 from 78 . 3. Take ... difference . The larger of the two given numbers is called the minuend , the less number the subtrahend , and the ...
... difference re- quired is , therefore , 4 tens and 3 , or 43 . 2. Take 28 from 99 ; 33 from 85 ; 46 from 78 . 3. Take ... difference . The larger of the two given numbers is called the minuend , the less number the subtrahend , and the ...
Σελίδα 126
... difference of their squares ? NOTE . The greater number multiplied by itself is equal to the greater multiplied by ... difference 1 , what is the difference of their squares ? 6. If the sum of two numbers is 18 , and their difference 2 ...
... difference of their squares ? NOTE . The greater number multiplied by itself is equal to the greater multiplied by ... difference 1 , what is the difference of their squares ? 6. If the sum of two numbers is 18 , and their difference 2 ...
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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.