Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of Mental ArithmeticR. S. Davis, 1877 - 151 σελίδες |
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Σελίδα 20
... SUBTRACTION . LESSON IX . 15. 1. Henry had 2 apples and gave 1 of them to Arthur ; how many had he then left . - SOLUTION . Henry had 2 apples and gave 1 of them to Arthur ; he then had left 2 apples less 1 apple , or 1 apple . 2. James ...
... SUBTRACTION . LESSON IX . 15. 1. Henry had 2 apples and gave 1 of them to Arthur ; how many had he then left . - SOLUTION . Henry had 2 apples and gave 1 of them to Arthur ; he then had left 2 apples less 1 apple , or 1 apple . 2. James ...
Σελίδα 21
... Samuel 8 ; how many more did John find than Samuel ? 20. A man engaged to labor 17 days , but left at the end of 10 days ; how many more days had he agreed to labor ? 21. Gave 11 dollars to Emily , and 7 dollars SUBTRACTION . 21.
... Samuel 8 ; how many more did John find than Samuel ? 20. A man engaged to labor 17 days , but left at the end of 10 days ; how many more days had he agreed to labor ? 21. Gave 11 dollars to Emily , and 7 dollars SUBTRACTION . 21.
Σελίδα 22
... 10 ? 25 less 10 ? 29 less 9 ? 24 less 8 ? 4. How many are 30-10 ? 42-10 ? 24 24-10 ? 30 5 ? 20-5 ? 30-8 ? 40-2 ? - 5. Subtract by 3's from 63 back to 45. From 31 back to 1 . 6. Subtract by 4's from 82 back to 50. From 22 SUBTRACTION .
... 10 ? 25 less 10 ? 29 less 9 ? 24 less 8 ? 4. How many are 30-10 ? 42-10 ? 24 24-10 ? 30 5 ? 20-5 ? 30-8 ? 40-2 ? - 5. Subtract by 3's from 63 back to 45. From 31 back to 1 . 6. Subtract by 4's from 82 back to 50. From 22 SUBTRACTION .
Σελίδα 23
... Subtract by 7's from 46 back to 4. From 51 back to 2 . 17. Subtract by 8's from 41 back to 1. From 52 back to 4 . 18. Subtract by 9's from 59 back to 5. From 63 back to 0 . 19. Bought a cow for 27 dollars , and sold her for 24 dollars ...
... Subtract by 7's from 46 back to 4. From 51 back to 2 . 17. Subtract by 8's from 41 back to 1. From 52 back to 4 . 18. Subtract by 9's from 59 back to 5. From 63 back to 0 . 19. Bought a cow for 27 dollars , and sold her for 24 dollars ...
Σελίδα 24
... . How many are 80 62 ? 32. How many are 60 — 13 ? 70-24 ? 50-14 ? 33. Find the difference between 22 and each of the following numbers : 35 , 24 , 7 , 19 , 46 , 39 , 30 , 41 . REVIEW . LESSON XI . 20. 1. A farmer has 24 SUBTRACTION .
... . How many are 80 62 ? 32. How many are 60 — 13 ? 70-24 ? 50-14 ? 33. Find the difference between 22 and each of the following numbers : 35 , 24 , 7 , 19 , 46 , 39 , 30 , 41 . REVIEW . LESSON XI . 20. 1. A farmer has 24 SUBTRACTION .
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12 cents 12 days 12 dollars 15 yards 20 per cent 60 cents 60 dollars 9 cents 9 dollars acre amount apples barrel of flour bought boys bushels of corn cents a dozen cents a pound cents a quart Change contained cords of wood cows cubic feet denominator dimes discount divided dollars a yard drams Dry Measures earn equivalent mixed number Fort Kearney fourths furlongs gain gallons gave halves horse hundred hundred twenty-two hundred-weight inches interest of $100 James John lars less LESSON lowest terms miles an hour months Multiply nails oranges Oregon City ounces paid peaches pecks pennyweights pints pound cost pounds of sugar present worth principal proper fraction quotient rate per cent reap receive remainder sell seven sheep sixths SOLUTION square miles Subtract tens third thousand Troy Weights units weeks Write by figures yards of broadcloth yards of cloth
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Σελίδα 34 - ... 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 80 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 121 - The head of a fish is 12 inches long, the tail is as long as the head + £ of the body, and the body is as long as the head and tail ; what is the length of the fish ? 4.
Σελίδα 82 - Table. 60 seconds (sec.) make 1 minute, m 60 minutes, 1 hour, h 24 hours, 1 day, d 365 days, 1 common year, c.
Σελίδα 122 - A and B start from the same point, and travel in the same direction around a square, each side of which measures 5 miles ; A travels at the rate of 4| miles an hour, and B at the rate of 3 miles an hour ; in what time will they be together again ? How many miles will each have traveled ? How many times will each .have been around the square ? 16.
Σελίδα 73 - 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 35 - There is an orchard consisting of ten rows of trees, and nine trees in each row ; how many trees are there in the orchard ? 12.
Σελίδα 113 - Two men can each do % of a piece of work in 1 day; how long will it take them both to do the whole ? 6. Two men set out to mow a field ; the first...
Σελίδα 45 - At 8 cents a pound, how many pounds of sugar can be bought for 6 dozen of eggs, at 12 cents a dozen ? 31.
Σελίδα 34 - If 2 men start from the same place and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 5 hours?