LESSON XIX. ORAL EXERCISES. How many hours in 3 days? In 4 days? 2. How many days in 48 hours? In 72 hours? 3. How many minutes in 2 hours? In 3 hours? 4. If a man walks 4 miles an hour, how far will he walk 6 hours? In 8 hours? 5. If a man pays $6 a week for board, what will his board ome to for 9 weeks? 6. If a lad earns $8 a month, how much will he earn in months? How long will it take him to earn $80? WRITTEN EXERCISES. 7. How many weeks in 365 days? How many hours? 8. How many days in 365 weeks? In 842 weeks? 9. If the expenses of a family are $75 a week, what will they come to in 52 weeks? 10. If a steamboat goes 220 miles a day, how far will she go in a week? 11. If a man rides 8 miles an hour, how long will it take him to go 1168 miles? 12. A man earned $125 a month, how much did he earn in a year? In 5 years? 13. If a clerk spends $15 a week, how much will he spend in 52 weeks? 14. If a man's salary is $25000 a year now much is that a month? 15. If a man pays $7 a week for board, how long can he board for $364 ? 1. How many pecks in 245 quarts, and how over? 2. How many quart boxes of strawberries in 3. At 15 cents a box, what would they come 4. At $4 a bushel, how many bushels of ora buy for $356? 5. If a cistern holds 84 hogsheads of wate will it take to empty it, if it discharges hour? 6. What cost 4 barrels of maple syrup at 15 c At 22 cents a quart? 7. A condensed milk company bought 285 ga farmer, 387 of another, and 452 of another; how did they buy in all ? quart, how much did the co 9. At $2 a gallon, how much oil can be $1268? For $2500? 10. A grocer bought 6 barrels of vinegar at $1 and sold it for $5 a barrel more than he paid; get for the vinegar, and how much did he make 11. Bought 5 hogsheads of molasses for $150, at 40 cents a gallon; how much did I receive, was my loss? 12. Find the difference in cost of 250 gal. 18 cents a gal., and 560 quarts of vinegar at 12 cen Second Method of expressing Division. 1. Division is often expressed by writing the divisor under the dividend, with a line between them. Thus, means the same as 8÷4. It is read "8 fourths." 2. This form of expressing division is the same as that used in expressing Fractions. 3. When a number or thing is divided into two equal parts, what is one of the parts called? Ans. One-half; written. 4. What is 1 half of 2? What part of 2 is 1? 5. If a pear is divided into 2 equal parts, what are the parts called? 6. How many halves make a unit or whole thing? 7. If a pear is divided into three equal parts, what is one of the parts called? Ans. One-third; written. 8. What is 1 third of 3? What part of 3 is 1? 9. If a pear is divided into 4 equal parts, what are the parts called? 10. How many fourths make a unit, or one? Of 16? Of 20? of 9? Of 12? 18 6. What is 1 third of 21 oranges? Of $1 7. How find one-fourth a number? Thre 8. What is of 12? of 12? Of 16? 9. If you have 30 cents, what part of it m a 5-cent stamp? For two 3-cent stamps? 10. What is 1 fifth of 10 cents? Of 20 app Qu 24. If he paid $25 an acre for his farm, and it at $30 an acre; how much did his own half 25 Find 1 fourth of 1620. ១ Find 1 sivt] LESSON III. ORAL EXERCISES. 1. If you divide 4 cents into two equal parts; how many cents in each part? 2. Joseph had 6 cents and gave 1 half his money for a pear; how many cents did the pear cost him? 3. If you have half an apple and I give you 3 halves more, how many apples will you have? 4. How many apples in 9 halves? In 16 halves? WRITTEN EXERCISES. 1. If 43 oranges are divided equally among 3 boys, what part and how many oranges will each boy receive? EXPLANATION.-One boy is 1 third of 3 boys, and will receive 1 third part of the oranges. divided by 3 equals 14, and 1 remainder. 3) 43 Now 43 Ans. 141 NOTE.-When there is a remainder, it should be written over the divisor and placed at the right to complete the quotient. 2. If 55 pears are divided equally between 2 boys, what part and how many pears will each boy have? 3. A farmer divided 260 apples equally among 4 schoolboys; what part and how many did he give to each? 4. William divided 75 cents equally among 5 poor children; what part and how many cents did each have? 5. When a number or thing is divided into equal parts, the parts are called Fractions. 6. Express in figures: Three-fifths; four-fifths; one-sixth; five-sixths; two-sevenths; three-sevenths; six-sevenths; five-eighths; seven-eighths; four-sevenths; seven-tenths. |