LESSON IX.

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1. A farmer, having 15 sheep, sold 8 of them; how many had he left?

2. Thornton had 9 merit marks, and 8 demerit marks; how many more merit than demerit marks had he?

3. Peter carried 10 quarts of berries to market, and sold 8 quarts; how many quarts had he left?

4. A man sold a cow for 17 dollars, and took a plow worth 8 dollars, and the balance in money; how much money did he receive?

5. There were 14 yards in a piece of merino, and a lady bought 8 yards for a dress; how many yards were left?

6. In a row of 12 shade trees, 8 of them die; how many are left?

7. Calvin, having 16 cents, paid 8 cents for a slate; how many had he left ?

8. Emma is 11 years old, and Willie 8; what is the difference in their ages?

LESSON X.

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1. James sold his colt for 16 dollars, and received in payment 9 dollars' worth of goods, and the rest in money; how much how much money did he receive?

2. Clorinda had 10 cents, and gave 9 cents for a new slate; how many cents had she left?

3. A painter bought 11 gallons of oil, and after using 9 gallons, sold the remainder; how much did he sell?

4. A grocer bought a quantity of butter for 12 dollars, and it being damaged, he was obliged to sell it for 9 dollars; how much did he lose by the bargain?

5. Austin, having 15 steel pens, gave away all but 9 of them; how many did he give away?

6. A man borrowed 14 dollars, and paid 9 of it; how much did he still owe?

7. A farmer had 9 sheep, and bought enough to make 18; how many did he buy?

LESSON XI.

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1. Ralph earned 17 cents and received 10 cents; how much is still due him?

2. In a certain school are 18 girls and 10 boys; how many more girls than boys are there?

3. A grocer had 12 boxes of lemons, and sold 10 boxes; how many boxes had he left?

4. In a school there are 10 boys and 16 girls; how many more girls than boys?

5. Ella had 14 roses, and gave away 10 of them; how many had she left?

6. A man bought a keg of molasses containing 15 gallons; having used a part of it, he found there were 10 gallons left; how many gallons did he use?

7. Edgar had 19 cents, and spent 10 of them; how many cents had he left?

8. A farmer had 13 acres of wheat, and 10 acres of corn; how many acres more of wheat had he than of corn?

LESSON XIII.

PROMISCUOUS EXAMPLES.

1. Oscar had 16 cents; he gave 6 cents to a beggar, and 5 cents for an orange; how many had he left?

ANALYSIS. He had left the difference between 16 cents, and the sum of 6 cents and 5 cents; 6 cents and 5 cents are 11 cents, and 11 cents from 16 cents leaves 5 cents. Therefore, &c.

2. A farmer, having 18 sheep, sold 7 at one time, and 4 at another; how many had he left?

3. A grocer bought 10 dozen of eggs of one man and 9 dozen of another; he then sold 6 dozen to one of his neighbors, and kept the rest for his own use; how many did he keep?

4. A farmer bought a cow for 15 dollars; he paid one 10 dollar bill, and one 3 dollar bill; how much did he still owe?

5. A boy, having 17 chickens, sold 5 of them at one time, 7 at another, and 2 at another; how many had he left?

6. Sold some pork for 12 dollars, and received some sugar worth 3 dollars, a hat worth 2 dollars, some cloth worth 4 dollars, and the rest in money; how much money did I receive?