11. Multiply 372 by 26. 12. Multiply 274 by 29. 13. Multiply 418 by 27. 14. Multiply 625 by 28 16. Multiply 408 by 34. 16. Multiply 316 by 35 17. Multiply 683 by 36. 18. Multiply 672 by 38. 19. Multiply 811 by 39. 20. Multiply 725 by 41. 21. Multiply 437 by 43. 22. Multiply 1621 by 45 23. Multiply 1763 by 46. 24. Multiply 1234 by 49. 25. Multiply 6171 by 54. 26. Multiply 1876 by 56. 27. Multiply 2181 by 58. 28. Multiply, 2931 by 59. 29. Multiply 3082 by 68. 30. Multiply 4107 by 93. 31. Multiply 2573 by 76. 32. Multiply 3871 by 87. 33. Multiply 5482 by 135. 34. Multiply 3257 by 246. 36. Multiply 4185 by 368. 36. Multiply 5682 by 543. 37. Multiply 7328 by 1021. 38. Multiply 2567 by 2036. 39. Multiply 2135 by 3007. 40. Multiply 6328 by 1276. 11. Multiply 5682 by 1083. 42. Multiply 4185 by 1472. 43. Multiply 3257 by 1576. 44. Multiply 7328 by 2042. 45. Multiply 2567 by 4072. 46. Multiply 2135 by 6014. 47. Multiply 71873 by 3018. Ans. 9672. Ans. 7946. Ans. 11286. Ans. 17500. Ans. 13872 Ans. 11060. Ans. 24588 Ans. 25536 Ans. 31629. Ans. 29725. Ans. 18791. Ans. 72945. Ans. 81098. Ans. 60466. Ans. 333234. Ans. 105056. Ans. 126498. Ans. 172929 Ans. 209576. Ans. 381951. Ans. 195548. Ans. 336777. Ans. 740070. Ans. 801222 Ans. 1540080. Ans. 30853 26. Ans. 7481888. Ans. 5226412. Ans. 6419945. Ans. 8074528, Ans. 6153606. Ans. 6160320. Ans. 5133032. Ans. 14963776. Ans. 10452824 Ans. 12839890. Ans. 216912714. 48. Multiply 6328 by 2552. Ans. 16149056. Ans. 433825428. Ans. 18511956 Ans. 22445664. Ans. 26132060. Ans. 32099725. Ans. 32298112. Ans. 64596224. Ans. 278484876. Ans. 305099406. Ans. 135475022. Ans. 6953140080. Ans. 4223745376. Ans. 35471868568 Ans. 47102968926. Ans. 129652565329. Ans. 413424056270. MENTAL EXERCISES. 1. What will 6 yards of muslin cost at 10 cents a yard ? SOLUTION.-If 1 yard of muslin costs 10 cents, 6 yards of muslin will cost 6 times 10 cents, which are 60 cents. 2. What will 8 sheep cost at 12 dollars apiece? 5. If 5 men can do a piece of work in 6 days, how long will it take 1 man to do it ? 6. If 9 men dig a trench in 14 days, how long would it take one man to do it ? 7. How many trees in an orchard in which there are 12 rows with 20 trees in each row? 8. A grocer had 24 melons, sold 10 of them, and then bought ) imes as many as he sold; how many had he then? 9. Mason earned $15 a week and paid $7 for his board; how much wuld he save in 8 weeks ? 10. Thompson earned $50 a month and paid $5 a week for his board, and $4 for other expenses; how much could he save in a year ? 11, Multiply 76 by 4. SOLUTION.-4 times 6 units are 24 units, which equals 2 tens and 4 units, 4 times 7 tens are 28 tens, which increased by the 2 tens equals 30 ters; hence the product is 304. 12. Multiply 26 by 3; 28 by 4; 37 by 5; 46 by 6; 53 by 7; 75 by 8. 85 by 12; 88 by 11; 125 by 10. 13. Multiply 142 by 4; 325 by 3; 463 by 5; 372 by 6; 408 by 7; 1234 by 6; 2007 by 8; 1306 by 5; 508 by 11; 407 by 12. 14. If a railroad train runs 36 miles an hour, how far will it yan at that rate in 6 hours ? 15. If a newsboy clears 56 cents a day for 8 days, how much will be clear in all ? 16. A jeweler bought 8 watches for $125 apiece, and sold them as x gain of $25 each; what did he receive for them? 17. At $6 a barrel, how much are 3 loads of four worth, each load sontaining 10 barrels ? 18. A man bought 5 books at 40 cents each, and 2 pairs of shoes at $1.50 a pair; what change will be left out of a $5 bill ? 19. A farmer's wife took to a store 6 dozen eggs at 20 cents a dozen, and bought 8 yards of muslin at 12 cents a yard; what balance should she receive ? 20. A lady went "a shopping” and bought 6 yards of silk at $3 a yard, 2 yards of velvet at $5 a yard, and 4 pairs of hose at 75 cents a pair; she handed the clerk two $20 bills; what was her change? OPERATION. WRITTEN EXERCISES. 1. If a steamer sails 235 miles in 1 day, how far will sbe sail in 37 days? 235 SOLUTION.—If a steamer sails 235 miles in 1 day, 37 in 37 days she will sail 37 times 235 miles, or 8695 1645 miles. 705 8695 2. How many bushels of potatoes can be raised on 56 acres of land, if each acre produces 196 bushels ? Ans. 10,976. 3. How many oranges in 59 boxes, if each box contains / 275 oranges ? Ans. 16,225 oranges. 4. If a clerk deposits $575 annually in a savings bank, how much will be deposit in 25 years ? Ans. $14,375. 6. Mr. Gibbs bought a farm of 95 acres at $187 an acre ; what was the cost of the farm ? Ans. $17,765. - What will a hogshead of wine, containing 63 gallong, cost at the rate of $4.25 a gallon ? Ans. $267.75. 7. I bought 356 sacks of Liverpool salt at $2.50 per sack; what did I pay for the whole amount? Ans. $890. 8. Sold 265 barrels of mess pork at $16.50 a barrel; what did I receive for the whole ? Ans. $4372.50. 9. If a locomotive-wheel revolves 478 times in going 1 mile, how often will it revolve in 248 miles ? Ans. 118,544. 10. When the market-price of butter is 18 cents a pound, what must I pay for 256 pounds ? Ans. $46.08. NOTE.- In this and similar problems we multiply by the smaller 'number, using both numbers abstractly, though in the explanation we should use the proper number as the multiplier. 11. If a barrel of flour is worth $8, how much are 596 harrels worth at the same rate ? Ans. $4768. 12. A dealer bought 2875 bushels of potatoes at 37 cents a bushel; what was the cost ? Ans. $1063.75. 13. A Western farmer sold 9876 bushels of wheat at 85 cents a bushel ; what did he receive ? Ans. $8394.60. 14. Henry earned $28 a week and paid $5 for his board ; how much could be save in 52 weeks ? Ans. $1196. 15. A travels 25 miles a day, and B 36 miles a day; how far will both travel in 286 days? Ans. 17,446 miles. 16. The President's cabinet consists of 7 members, who receive a salary of $8000 each ; what is the amount of their salaries? Ans. $56,000. 17. A dealer shipped 2396 bushels of apples at 87 cents a bushel, and the same quantity of potatoes at 56 cents a bushel; what was the value of both ? Ans. $3426.28. 18. A bought 2960 acres of prairie land at $38 an acre, and the same number of acres of woodland at $45 an acre; what did he pay for all ? Ans. $245,680. 19. In a row of houses there are 46 rooms, in each room 4 windows, and in each window 12 panes of glass; how many panes in all the houses ? Ans. 2208 panes. 20. If Thomas sells 48 papers a day, and Henry 72 papers how many more papers does Henry sell in 94 days than Thomas ? Ans. 2256 papers. 21. In 1852, 157,548 Irish immigrants arrived in the United States; at this rate what would be the number of immigrants from the beginning of 1852 to the end of 1875 ? Ans. 3,781,15% 22. If two persons should start from the same place and trarel in opposite directions, one at the rate of 45 miles a day and the other at the rate of 67 miles a day, how far will they be apart in 67 days? Ans. 7504 miles. 23. A planter put up his cotton into 275 bales, averaging 576 pounds each, and sold it at 15 cents per pound; what did he receive for the whole ? Ans. $23,760. 24. Mr. Angell's annual income is $9750, and his average daily expenditure is $9.75 ; what can be såve in a year of 865 days? Ans. $6191.25. 25. A bank teller receives $2500 salary, and spends $520 for board, $475 for clothing, $112.65 for books, and $117.25 for other expenses annually; how much will be save in 5 years? Ans. $6375.50. 26. How many miles will a railroad conductor travel in a year if he makes a trip from Harrisburg to Philadelphia (106 miles) and back, every day except Sundays, reckoning Ans. 66,356 miles. 27. A shoe-dealer bought 35 cases of French calf boots, each case containing 12 pairs,, at $6.50 a pair ; what did the bill amount to? Ans. $2730. 28. A. division consisted of 4 regiments, each regiment of & companies, and each company of 98 men; how many men in the division ? ins. 3528 men. 29. In a block of houses there are 45 buildings, each building containing 32 windows, and each window 12 panes of glass; how many panes of glass in the whole block of buildings ? Ans. 17,280 panes. 30. If it requires 124 tons of iron worth $72 a ton to build ono mile of a railroad, what will be the cost of iron enough to build a railroad 236 miles long? Ans. $2,107,008. 81. A field contains 5076 rows of corn, each row contain ing 4005 bills, and each hill 4 stalks ; how many stalks of corn in the field ? Ans. 81,317,520 stalks |