Q. What is the use of this measure? A. To measure length and breadth only. Q. What are the denominations of this measure? A. Inches, feet, yards, rods, roods, acres, and miles. Exercises for the Slate. 31. In 2 square roods how many square rods? In 450 square roods? A. 18080 rods. 32. How many square acres in 2 square miles? In 2342 square miles? A. 1500160 sq. a. 33. How many square yards in 4 square rods? In 193600 square rods? A. 5856521. 1. What will a parcel of wood come to, which is 8 feet long, 4 feet high, and 4 wide, at the rate of 6 dollars a cerd? 2. If you pay 80 dollars for a ton of round timber, what will 80 feet come to? What will 120 feet come to ? Q. What is the use of this measure? A. To measure length, breadth, and depth. Q. What are the denominations of this measure? A. Inches, feet, yards, tons, and cords. Exercises for the Slate. 34. In 2 cords of wood, how many solid feet? In 28 cords. A. 3840 feet. 35. How many solid inches in 2 solid feet? In 2800 solid feet? A. 4841856 solid inches. 36. How many solid feet in 345600 solid inches? In 691200 solid inches. A. 600 solid feet. 1. If a man earn a dollar a day, how much will he earn in 2 weeks? In 5 weeks? In 7? In 9? In 20? In 40? In of a week? In? In? In? How many weeks could you hire him for $7? For 14? For 28? 2. A boy is to have $2 a week in a store; how much must the merchant pay him for one month's time? For 2? For 5? For 10? How long must he stay to come to 8 dollars? To 32 ? To 40? To 80? 3. If a man has $12 a month, what will two months' work come to? What will 4? What will 5? What will 7? What will 9? What will 1 year? 2 years? of a month? In 6? ? } } ? 4. How many seconds in 2 hours? In 3? In 4? In 5? În 6? 5. If a watch click once in one second of time, how many times will it click in 2 minutes? In 3? In 4? In 5? How many times in of an hour? In 8? In ? In ? 6. How many minutes are there in 1 hour? In an hour? In ? In ?? In ? In é? In 11? In 2? In 4? In 10 ? 7. How many hours in 2 days? In 3? In ? In? In ? In 24? In ? 8. How many days in 2 weeks? In 4 weeks? In 6? In 8? In 12? In 20? In 30? 9. How many weeks in 2 months? In 3? In 4? In 5? In 6? In 7? In 8? In 9? In 10? In 20? In 50? In 100? 10. How many months in 8 weeks? In 12? In 20? In 40? 11. How many calendar months in 2 years? In 4? In 7? 12. How many years are there in 24 calendar months? In 48 In 84? In 144? 13. If a man have 1 dollar for of a year, what will come to? What will 1 year come to? How long could you have him for 6 dollars? For 12? For 24? For 36? For 60? For 144? 14. If work be a dollar a day, what would a year's wages come to? What would of a year? What? What s? What? What? Q. How many days are there in each month? April, June, and November; And thirty-one the others rate. Q. How many days are there in January? In February? In March? In April? In May? In June? In July? In August? In September? In October? In November? In December? Q. How many days has February in Bissextile, or Leap Year? A. 29. Q. When the year of our Lord can be divided by 4 without a remainder, what is the year called? A. Bissextile, or Leap Year. Q. What year was 1824? A. Bissextile. Q. Why? A. Because 1824 can be divided by 4 without a remainder? Q. When will the next Leap Year be? Q. How many days are there in Bissextile or Leap Year? A. 366. Q. What are the denominations of this measure? A. Seconds, minutes, hours, days, years, centuries; also weeks and months. Exercises for the Slate. 37. How many hours in 120 minutes? In 960360 minutes ? A. 16008 hours. 38. How many days in 4 years? (4×3651) In 44 years? A. 17532 days. 39. Reduce 2 weeks to days; 318 weeks to days. A. 2240 days. CIRCULAR MOTION. Q. What is meant by Circular Motion? A. The motion of the earth and other planets round the sun. Q. What is it used for? A. For reckoning latitude and longitude? 30 Degrees . 1 Degree, S. 12 Signs, or 360 Degrees, the whole Great Circle of the Zodiac. 1. How many seconds are in 3 minutes? In 6? In 10? 2. How many minutes are in 2 degrees? In 5? In 6? In 7? In 9? 3. How many degrees in 2 signs? In 3? In 4? In 6? 4. How many degrees does the sun travel over in one day, or 24 hours? A. 360. Q. How many degrees does the sun pass over in one day, not reckoning the night, when the days and nights are of an equal length? A. 180. Q. How many degrees in one hour? A. 15. Q. Why? A. Because the sun travels over the circumference of the earth in 24 hours, he must travel over 15 degrees in one hour, for 15 times 24 are 360. 5. How many degrees in 2 hours? In 4? In 6? In 10? In 20? 6. What is the difference of time, then, between London, (through which the meridian runs, and from which longitude is generally computed,) and 15 degrees east of London? One hour. Q. Why? A. Because the sun travels 15 degrees in one nour. 7. What is the difference of time between London and 30 degrees west of London? What 60 degrees? What 75 degrees , 8. The difference in distance between Washington in the District of Columbia, and Missouriopolis in Missouri, is 15 degrees; what is the difference of time between those places? Q. What are the denominations of Circular Motion? A. Seconds, minutes, degrees, signs, and circles. Exercises for the Slate. 40. How many degrees in 2 signs? In 3602 signs? A. 108120 degrees. 41. In 120 minutes how many degrees? In 192000 minutes? A. 3202 degrees. TABLES OF PARTICULARS. Q. How many single things make a dozen?. Q. How many dozen a great gross? Q. How many sheets make a quire of paper? 1. How many single things are in 2 dozen? In 3? In 5 In 12? 2. What will 2 dozen of pearl buttons come to, at 2 cents apiece? What will 3 dozen? What 4? 3. What will a great gross of buttons come to, at $1 a dozen ? 4. What will 2 quires of paper come to, if you give 1 cent for a sheet? What will 3 quires? What will 4 quires? 5. If you give 20 cents for 1 quire of paper, how many cents must you pay for 1 ream? For 2 reams? Q. How many pounds in a barrel of pork? A. 200. A. 200. 6. What will a barrel of pork come to, at 4 cents a pound? 7. What will 2 barrels of beef come to at 4 cents a pound? BOOKS Q. When a sheet is folded into 2 leaves, what is it called? A. Folio. Q. When folded into 4 leaves, what is it called? A. Quarto, or 4to. Q. When folded into 8 leaves, what is it called? A. Octavo, or 8vo. Q. When folded into 12 leaves, what is it called? A. Duodecimo, or 12mo. Q. When folded into 18 leaves, what is it called? A. 18mo. |