1. How many hours is it from midnight on Tuesday to midnight on Wednesday? 2. At what time does the new day begin? 3. How many times in a day does the hour hand pass around the face of the clock? 4. What part of an hour are 10 minutes? 45 min.? 5. What part of a minute are 15 seconds? 30 sec.? 6. What do you mean by A.M.? by P.M.? by M.? 7. Read the time on each of the clocks in the picture. 8. A man leaves home at 6:30 A.M. and returns at 5:45 P.M. How long is he away from home? 9. A train leaves the station at 11:10. It requires 25 minutes to reach the station. At what time must one leave home in order to catch this train? 10. Harry leaves for school at 8:30, and reaches school at 3 minutes before 9 o'clock. How long is he on the way? 11. The morning session of school begins at 9 A.M. and closes at 11:30 A.M. The afternoon session begins at 1 P.M. and closes at 3:45 P.M. How long are both sessions? 12. How many months have 31 days each? 30 days each? 28 days? When has February 29 days? Change: Written Work 1. 3 hr. 6 min. to seconds. 2. 144,000 sec. to days. 3. 5 da. 3 hr. to minutes. 4. 108 mo. to days. 5. 12 wk. 6 da. to hours. 6. 336 hr. to weeks. 7. 5760 min. to days. 8. 30 days to seconds. 9. If the school is in session 5 hours, how many seconds is it in session? 10. At $1 a day, how much will a boy earn in 2 weeks? 11. If a motorman receives 20 an hour, what is his pay for 6 days of 9 hours each? 12. A clerk pays $4.50 a week for board. How much will board for 3 months cost him? 13. At the rate of $2 a day, how much can a boy earn during the month of February? The teacher should bring into the class a yard stick and a 50-foot measuring line. Each pupil, should be provided with a 12-inch ruler, with inches and half inches clearly marked. 109 1. Measure the length of a book; of a desk; of a table. How many 2. Measure the yard stick with the ruler. feet equal a yard? A foot is what part of a yard? 3. With the measuring line mark off 16 the blackboard. ft., or 1 rod, on 4. How many yards are there in 16 ft.? in 320 rd.? There are 12 dozen in a gross. 1. How much will 1 gross buttons cost at 15 a dozen? 2. A stationer bought 12 quires of paper for $1.20 and How much did he gain? sold it at a cent a sheet. 3. Find the cost of 40 lemons at 15¢ a dozen. REVIEW 1. A bicycle wheel is 7 feet 4 inches in circumference. How many turns will it make in going 6 miles? 2. How much will 3 bushels of plums cost at 9 a quart? 3. How much fence will be needed to inclose a square field, each side of which is 22 rods? 4. If 9 boxes weigh 27 pounds, how much will 36 boxes weigh? How much will 3 boxes weigh? 5. George has a can of milk containing 10 gallons. If he sells 10 quarts to his first customer, 4 quarts to the second customer, 3 gallons to the third customer, and 2 gallons 1 pint to the fourth, how much has he left in the can? 6. How much are 5 miles of telegraph wire worth at $0.005 a foot? 7. Our grocer found that 9 hams weighed 827 pounds. What was the average weight of each ham? 8. How much must be paid for 15 gross of lead pencils at 35 a dozen ? 9. Walter picked 4 bushels of blackberries and sold them to a grocer for 6 a quart. He took in exchange eggs at 24¢ a dozen. How many dozen did he receive? 10. A butcher sold 30 pounds of lard at $0.12 a pound, and used the money for flour worth $0.03 per pound. How much flour did he receive? 11. 500 bushels of peaches were packed in baskets, each holding 2 pecks. How many baskets were needed? 12. 20 hundredweight of starch was packed into boxes, each containing 5 pounds. How much was received, if each box was sold for 61 ? 13. Count the change from a five-dollar bill for 8 pounds of steak at 18¢ a pound, 3 cans of tomatoes at 18¢ a dozen, and 2 gallons of gasoline at 15¢ a gallon. 14. What is my January milk bill, if I use 5 pints every day, at 8¢ a quart ? 15. If of a ton of coal costs $3.75, how much will 31 tons cost? 16. How many pint cans can be filled from 26 gallons of tomato soup? 17. The Bell Telephone Co. charges me $40 a year for 600 calls. How much is that per month? how much for each of the calls? 18. Find the amount of the following sales: 1 dozen boxes of cocoa at 15 a box, 8 cans of tomatoes at $1 a dozen, 3 boxes of figs at $3 a dozen, 111 pounds turkey at 22 a pound. 19. Five girls weigh 75 pounds, 86 pounds, 93 pounds, 69 pounds, and 72 pounds respectively. What is their average weight? 20. There are 20 quires in a ream. the cost of 3 reams, 3 quires of paper. At $1.20 a ream, find 21. How old is a man who is threescore years and ten? 22. The Adams Coal Company sold 8 loads of coal as follows: 2470 lb., 3680 lb., 1974 lb., 2985 lb., 1741 lb., 3164 lb., 3749 lb., and 4278 lb. Find the number of tons, hundredweight, and pounds sold. |