DENOMINATE NUMBERS. 678. Slate Exercises. 1. Add 4 days 6 hours, 9 days 11 hours, 3 days 7 hours. 2. What part of a week is 1 day 18 hours? 3. If a man receives $60 interest per year, how much will he receive in 3 years 7 months? 4. Reduce 3 days 18 hours to minutes. 5. How many days and hours are there in 8,100 min.? 6. of a day is how many hours? 7. How many hours and minutes in 4 day? 8. A man receives $1,460 per year of 365 days. What is his salary per week? 9. Find the cost of 1 bu. 1 pk. 1 qt. of potatoes at 8 cents per half-peck. 10. A piece of meat weighing 27 lb. 12 oz. is divided among 6 persons. How many pounds and ounces does each receive? 11. How many bu., pk., and qt., are there in 5 bags, each containing 1 bu. 1 pk. 1 qt.? 12. How many gallons, quarts, and pints of ice-cream will be needed to give a half-pint to each one of 67 persons? 13. Find the cost of 7 lb. 10 oz. of tea at 40 cents per lb. 14. From a pile of 20 bu. wheat there were sold 10 bu. 3 pk. 7 qt. How much remained? 679. Long Measure. 12 inches (in.) 1 foot (ft.) 3 feet 5 yards 320 rods 1 yard (yd.) 1 rod (rd.) 1 mile (mi.) 15. How many yards in a mile? How many feet? How many aches? 16. A field is 16 rods long, 12 rods wide. How many square yards does it contain? How many rods of fence will be needed to enclose it? How many feet? 17. How many rails each 30 feet long will be needed for a single track road (two tracks) 40 miles long? 18. A boy steps 33 inches. How many steps will he take in going 2 miles? 19. Dec. 20 the sun rises at Boston at 7.26 A.M. and sets at 4.30 P.M. How long is it between sunrise and sunset? How much longer is the day at Charleston, S. C., where the sun rises at 6.58 A.M. and sets at 4.57 P.M.? 20. On June 21 the sun rises at Boston at 4.23 A.M. and sets at 7.40 P.M. On the same day it rises at Charleston at 4.53 a.m. and sets at 7.11 P.M. Change: What is the length of the day at each place? 21. 17 lb. and 4 oz. to ounces. 22. 84 tons and 1,560 lb. to pounds. 23. 37 gal. and 3 qt. to quarts. 24. 45 gal. to pints. 25. 63 qt. and 1 pt. to pints. 26. 27 bu. and 3 pk. to pecks. 27. 48 pk. and 7 qt. to quarts. 28. 84 pk. to pints. 29. 27 mi. to yards. 30. 16 rd. and 3 yd. to yards. 34. 876 pt. to gallons and quarts. 40. 743 months to years and months. 41. 3 ft. 6 in. + 9 ft. 5 in. + 12 ft. 3 in. 42. 30 min. 15 sec. + 30 min. 18 sec. + 45 min. 24 see. 43. 9 yr. 3 mo. + 18 yr. 7 mo. + 22 yr. 2 mo. 44. 19 wk. 4 da. + 7 wk. 5 da. + 8 wk. 45. 9 mi. 169 rd. + 84 rd. + 3 mi. 67 rd. 46. 7 yd. 1 ft. + 33 yd. + 19 yd. 2 ft. 47. 18 gal. 1 qt. + 16 gal. 2 qt. + 15 gal. 3 qt. 48. 5 pk. 3 qt. + 6 qt. + 7 pk. 1 qt. 49. 24 bu. 3 pk. + 24 bu. 3 pk. + 24 bu. 3 pk. 50. 12 qt. 1 pt. + 12 qt. 1 pt. + 12 qt. 1 pt. + 12 qt. 1 pt. 680. How many square yards in a room 6 yards long, 5 yards wide? How many square yards in a room 18 feet long, 15 feet wide? 681. Slate Exercises. Calculate the number of square yards in the following. First reduce each зide to yards. 682. First, indicate the operations; then cancel. 11. Find the number of square yards in a room 18 ft. 4 in. long, 22 ft. 6 in. wide. 12. How many square yards in a room 13 ft. 1 in. long, 27 ft. wide? 9 × 6 45% sq. yd. 6 13. How many square inches in 12 panes of glass, each 5 inches long, 7 inches wide? 14. A piece of cloth is 48 yards long, 24 inches wide. How many square yards does it contain? 15. A merchant imports 8 pieces of cloth, 36 yards to the piece. How many square yards of cloth are there, if it is 32 inches wide? 16. A board fence 6 feet high surrounds a lot 25 feet front by 100 feet deep. How many square feet of boards in the front fence? In the back fence? In each side fence? In the whole ? (Make diagrams.) 17. A room is 18 feet long, 15 feet wide, 12 feet high. How many square feet in the floor? Draw a rectangle to represent the ceiling. Write the dimensions in their proper places, and write in the centre the number of square feet in its surface. Draw diagrams of the four walls; give dimensions and surface of each. |