280. Written Exercises. Find quotients : 7. 240:3 240:4 9. 240 = 24 13. 240 = 40 281. Find quotients : 1. 60: 12 7. 600- 12 13. 200 - 40 282. Division with remainders. Divide 83 by 9. In 83 there are 9 nines and 2 over. The 2 is written over the divisor, thus, %, which is a fraction, called two ninths. 283. Find quotients and remainders. 1. 43:6 5. 50:7 9. 17-8 35-8 12. 92-8 284. Multiplication and Division. A man walked 24 miles a day for 5 days: how far in all ? 24 miles EXPLANATION. x 5 Five times 4= 20 20 Five times 20= 100 100 Five times 24 = 120 120 miles 24 Multiply 4 by 5. Write the 0 unit in the first place; add the 2 tens to five times 2 tens=12 tens, or 120. 120 285. A man walked 120 miles in 5 days : how far a day? EXPLANATION. 5)120 miles 24 miles In 100 five is contained 20 times In Practice. In 20 " 66 " 4 times We say 5 into 12, 2 times In 120 « « « 24 times and 2 over, 5 into 20, 4 times. 1. What is paid for 9 horses at $120 a head ? 4. If a train runs 40 miles per hour, how far does it run in 9 hours ? 5. If a train runs 270 miles in 9 hours, how far does it run per hour ? 289. Find quotients and remainders : 1. 365 • 7 2. 609: 8 3. 874: 9 4. 1 416 : 7 5. 514: 8 6. 615 = 9 7. 2 109: 7 8. 458 = 8 e. 424: 9 10. 626: 7 11. 346 : 8 12. 308: 9 13. 728:11 14. 827 : 9 15. 719= 9 16. 626:12 17. 989-11 18. 877 - 12 19. 794; 9 20. 899-12 21. 674: 8 22. 921: 12 971: 9 24. 823:11 290. Oral Questions. (Table on page 52.) 291. Written Problems. 1. Find the number of quarts in a bushel. EXPLANATION. 1 bushel=4 pecks. 1 peck = 8 quarts. 2. Find the number of quarts in 1 bushel and 1 peck. 3. A man sold 1 bushel and 1 peck of seed-corn in quart bags.' How many bags of corn did he sell ? 4. M had 1 peck and 6 quarts of berries ; how many quarts ? 5. A farmer sold 8 bushels 2 pecks of peaches, and 9 bushels 2 pecks of apples. How many bushels of fruit did he sell ? 6. How much more is 3 bushels 2 pecks than 2 bushels 3 pecks ? 292. Oral Problems. 1. Divide twice twenty by 4. Divide three times 30 by 9. 2. Twice 12, added to 10 times 12, are how many ? 3. How far does a man walk in 12 days if he walks 20 miles a day? 4. Four lines of telegraph wire 15 miles long would be how many miles of wire ? 5. If a man walk 20 miles a day, how long will it take him to walk 220 miles ? 6. What is the product of 11 and 12 ? 7. A fence is 184 feet long, and each panel is 8 feet long. Find the number of panels. 8. If each acre produces 40 bushels of corn, how many acres will produce 200 bushels ? 2. A dividend is 60, and the divisor is 12; what is the quotient 10. At $8 a head, how many sheep will cost $96 ? 11. If 6 bales of cotton weigh 3 000 pounds, what is the average weight per bale ? 12. A man goes 11 miles an hour. How long does it take him to go 88 miles ? 13. There were 56 bushels of meal, and each man's share was 7 bushels. How many men ? 14. What would eight horses cost at $110 a head? 15. How many horses can be bought for $900 at $100 a head ? |