8. A boy has $180 to spend for a pony and a cart. He plans to spend twice as much for the pony as for the cart. How much does he spend for each?

9. A board 8 ft. long is to be cut into two pieces so that one piece will be 3 times as long as the other. How long will each piece be?

10. A back yard 32 ft. wide and 48 ft. long is to have a tight board fence built along the two sides and across one end. The boards are set upright and are 9 in. wide and cost 8 apiece. What is the cost of the boards for the entire fence?

11. Two boys agree to wash 15 windows for 90¢. One of the boys washes 9 windows and the other 6. How much should each boy be paid?

12. A girl is paid 15¢ an hour for her work. On Monday she began at 8 A.M. and quit at 4 P.M., on Tuesday she worked from 9 A.M. till 6 P.M., and on Wednesday from 7 a.m. till 5 P.M., taking an hour off each day for lunch time. How much was due her for the three days' work?

13. A boy begins work on Monday morning, March 27th, and works every day but Sundays until the evening of the 15th of April. How many days does he work?

14. A certain room is 15 ft. long and 13 ft. wide. Picture molding which runs around the room costs 5¢ a foot. How much does the molding for the room cost?

15. A boy counts 65 telegraph poles while the train he is on runs for four minutes. If the poles are 165 feet apart, how many miles an hour is the train running?

16. At a picnic 12 gallons of ice cream, cut 6 pieces to the quart, were ordered and eaten by 211 children. How many had two pieces?

17. A boy is required to write a composition of about 500 words. He finds that he writes about 8 words to the line and 20 lines to the page. How many pages must he write?

DRILL TABLES

2. The addition table. To solve problems skillfully the pupil must be able to compute accurately and rapidly. Speed and accuracy are impossible until the pupil has developed speed in giving the following tables.

These exercises are to be practiced by the pupils and used by the teacher for rapid drill for a few minutes at the beginning of each recitation until the suggested speed and accuracy have been secured.

Practice giving these sums orally until they can be given

3. The subtraction table. Practice giving these differ

ences until they can be given in less than 40 seconds.

Practice giving these differences until they can be given in

4. The multiplication table. Practice giving these products until each group can be given in less than 35 seconds. Also practice writing the products until each group can be written in less than 60 seconds.

5. The division table. Practice giving these quotients till they can be given in less than one minute. Also practice writing them until they can be written in less than two

Exercise 2. Problems for solution

1. For a physical training drill the pupils of a school are arranged in 9 rows with 28 pupils in a row.

rows could be made with 36 pupils in a row?

How many

2. In a school of 427 pupils the physical director arranges as many as possible of them in 24 equal rows. How many pupils are left out? How many more pupils would be needed to keep the 24 rows equal if all the 427 pupils were used?

3. Each of six boys puts all the money in his bank into a common fund to buy pigeons. The first has 32¢, the second 28¢, the third 49¢, the fourth 45¢, the fifth 38¢, the sixth 35¢. How many pairs of pigeons can they buy at 45¢ a pair?

4. The top of a tree is 38 ft. from the ground and its deepest root extends 8 ft. underground. How far is it from the end of its deepest root to the top of the tree? Its first branch is 13 ft. from the ground. How far is it from the lowest branch to the top?

5. Mr. Brown bought his winter's supply of coal at $3.65 a ton. It came in seven loads weighing 5317 lb., 4142 lb., 5328 lb., 4618 lb., 5069 lb., 4354 lb., and 3728 lb. How much was his coal bill?

6. The usual size of a tennis court is 78 ft. by 36 ft. A boy agrees to strip the sod from a court for 3¢ for each 2 sq. yd. and to roll the ground thoroughly for 1¢ for each 6 sq. yd. How much does he receive for the job?

7. It takes a boy 54 minutes to ride 6 miles on his bicycle. At that speed how long does it take him to go a mile? How many yards does he go in a minute?

8. A man can row a boat upstream 2 miles in an hour, and he can row downstream 5 miles in an hour. How long will it take him to row 10 miles upstream and return? How long to row 10 miles downstream and return?

9. A train travels from A to B, a distance of 171 miles, in 6 hours. Running at the same speed, how long will it take it to return of the distance?

10. Soldiers marching take steps about 2 ft. 6 in. long. If they take 120 steps a minute, how long will it take them to go 4 miles?

11. A man earns 35¢ an hour. He works 26 days in a month, 8 hours each day. He rides to and from work, buying 6 tickets for a quarter. He pays a quarter each day for his lunch. How much does he have each month for other expenses?

12. Practice the multiplication table on page 6 until the products can be given in the time suggested.