162. Oral Questions. 1. How many are twice 20, added to half of 20? How much is half of 20, subtracted from twice 20? 2. How much is half of 40? Half of 20? How many are 402? 20÷2=? 40÷4=? 3. How many quarters make a dollar? How many quarters make a half-dollar? How 4. many cents are in a quarter of a dollar? How many cents are in half of a half-dollar? how 5. John has 8 fingers, and one fourth as many thumbs; many thumbs and fingers has he? 6. Lucy found 4 eggs, and Rose found one fourth as many; how many did they both find? 7. Tom has 4 marbles, and George has 3 times one fourth as many; how many has George? dimes are in 20 cents? of 20 =? How 8. How many many nickels are in 20 cents? of 20=? 165. Written Problems. Miscellaneous. 1. If Mary shares her 72 chestnuts equally with her 4 brothers and 4 sisters, how many chestnuts does she keep? 2. One end of a bridge stretches 50 feet over the land; the other end stretches 40 feet over the land; the middle part stretches 52 feet over the water; how long is the bridge? 3. In a journey from home John rode 36 miles per day for 5 days; how far from home was he at the end of the fifth day? 4. A farmer raised 180 bushels of wheat on 9 acres; how many bushels did he raise per acre (average)? 5. From a cistern containing 1 500 gallons of water, 35 gallons is used daily for 8 days; how many gallons remain ? 6. How many full weeks are there in 365 days? 7. How many miles can a railroad train run in 12 hours, if it run 25 miles per hour? 8. At what rate per hour does a train run 150 miles in 6 hours? 9. If a cow gives each day 5 quarts of milk at night, and 6 quarts in the morning, how many quarts does she give in 4 days? 10. A merchant has three clerks; to one he pays 125 dollars per month, to another 95 dollars per month, and to the third 75 dollars per month; how much to the three? UNITED STATES MONEY 170. Oral Questions. I. What part of $1 is 50 cents? What part of $1 is $.25? What part of $.50 is $.25? 2. Mary has $.25, and Lucy has $.25; what part of a dollar have they both? 3. How many cents is one fourth of $.20?of $.12? 4. If 2 boys share equally $.50, what will each have? If 4 boys share equally $1, what will each have? 5. A teacher bought 8 books at a quarter of a dollar each; how much did he pay? 6. A man paid $.25 apiece for 6 packages of postal cards; how much did he pay for all? 171. $.25 means twenty-five cents. $1.25 means 1 dollar and 25 cents. The dot between dollars and cents is called the Decimal Point. 172. Written Exercises. 1. Write in figures two dollars and twenty-five cents. 3. Subtract $12.50 from $18.75. 5. Divide $155.55 by 5. |