4. If of a cord of wood costs $10, what will a cord cost? 5. What is the cost of a yard of ribbon, when yd. costs 12 ct.? 6. If of a line measures 4 in., how long is of the line? How long is the whole line? 7. If of a plot of land contains 15 A., how many acres are there in the whole plot ? 8. When the plot was sold, $200 was paid in cash, which was of the price. What was the whole price? 9. What is the price of a dozen eggs, when doz. costs 16 ct.? 10. 12 is of what number? Finding what Fraction One Number is of Another Number NOTE TO TEACHER. - Questions should be answered in complete sentences. 1. How many squares in the whole oblong? 2. How many in of the oblong? In of the the oblong? In of the oblong? 3. 6 squares are what part of 12 squares? 4. 4 squares are what part of 12 squares? 5. What part of 12 squares are 3 squares? 2 squares? 9 squares? 8 squares? 10 squares? 6. What part of 12 squares is 1 square? 2 squares? 3 squares? 5 squares? 7 squares? 9 squares? 11 squares? 7. What part of 6 squares are 3 squares? 2 squares? 4 squares? 1 square? 5 squares ? 8. 6 squares are what part of 8 squares? Of 9 squares? Of 10 squares? What part: ORAL EXERCISE 1. Of 7 is 5? Of 8 is 3? Of 9 is 6? Of 10 is 7? Of 16 is 12? 2. Of 25 is 15? Of 40 is 20? Of 50 is 25? Of 100 is 50? Of 24 is 18? 3. Of 8 is 7? Of 16 is 15? Of 16 is 14? Of 20 is 1? Of 20 is 19? ORAL PROBLEMS 1. 3 qt. are what part of 2 gal.? 6. 12 oz. are what part of a pound? 7. What part of my money did I spend if I spent 30 ct. out of the 50 ct. which I had? 8. A pole 20 ft. long is standing upright in water 8 ft. deep. What part of the pole is in the water? 9. I used 9 sheets of paper out of a quire I had bought. What part of the quire did I use? WRITTEN PROBLEMS 1. In a class of 32 pupils, 8 are boys. What fraction of the class are the boys? 2. A steamship starts on a journey of 3000 mi.; it goes 600 mi. the first day. What part of the journey was covered on that day? 3. On a farm of 160 A., 60 A. were planted with wheat. What part of the whole farm was the wheat field? 4. Out of 4 doz. eggs 16 were spoiled. What part of the lot was spoiled? 5. A clerk earning $28 a week pays $12 à week for board. What part of his wages is paid for board? 6. What part of the day is given to work by a man who works 10 hr. a day? 7. A cook uses 12 oz. of sugar in making a cake weighing 3 lb. What part of the cake consists of sugar? 8. What fractional part of a barrel of flour has been consumed if the remainder weighs 147 lb. ? 9. If mustard costs 32 ct. a pound, what part of a pound can be bought for 20 ct.? 10. How much velvet worth $2.50 a yard can I buy for $1? 11. To make a suit of clothes valued at $30, a tailor spends $6 for material and $9 for labor. What part of the value is paid for material and labor? 12. What part of a mile does a boy run in racing 440 yd.? 13. What part of a dozen eggs may be bought for 30 ct. when the price is 36 ct. a dozen? |