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ORAL EXERCISE

Find the interest for 1 yr. on the sums given in Exs.

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Find the interest on the following for 6 mo., first find

ing the interest for 1 yr., and then dividing by 2:

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Find the interest for 1 yr. on the sums given in Exs.

1-15, at the rates specified:

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Find the interest on the following for 6 mo.:

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CHECKS AND RECEIPTS

289. Bank checks. When a man pays money he often does it by an order on the bank where he keeps his money. An order on a bank calling for the payment of money is called a check.

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290. Indorsing. This check is payable to the order of John Roberts. He must therefore order it paid by writing his name across the back, indorsing the check.

WRITTEN EXERCISE

1. Make out three checks payable to the order of members of the class. Hand them the checks for indorsement.

2. John borrowed $4 six months ago at 6% a year. Make out a check to pay the note and interest.

3. A man deposited $125 in a bank. He drew out by checks the following amounts: $14.62, $3.75, $21.50, $35, $2.17. How much had he left? Write the checks. 4. A man borrowed $75 a year ago at 6% interest, and $130 six months ago at 5% interest. How large a check must he draw to-day to pay all the principal and interest?

291. Receipts. When I owe you any money and pay you, I ask for a receipt, so there may be no misunderstanding about it. A receipt for money paid is as follows:

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1. Robert rents a house of you at $18.50 a month. Write a receipt for 3 months' rent to date.

2. I borrowed $125 a year ago at 6%. I have paid you the principal and interest to-day. Write a receipt for me.

3. I borrowed $65 a year ago at 5%. I have paid you the principal and interest to-day. Write a receipt for me.

4. Write receipts for the principal and interest on the following, the money having been borrowed just a year ago: $140 at 4%; $420 at 6%; $375 at 5%.

5. Mary has bought these things at your store: 21 yd. ribbon @ 20 ct., 2 pr. gloves @ $1.25, 3 collars @ 15 ct. Make out a bill for the goods, and receipt it.

6. Write receipts for the principal and interest on the following, the money having been borrowed six months ago: $250, 6%; $300, 5%; $150, 4%; $375, 6%.

7. Write a receipt covering the following payments made to-day: $372 and interest for 6 mo. at 5%; $280 and interest for a year at 6%; $1000 and interest for 11 yr. at 5%.

DENOMINATE NUMBERS REVIEWED

ORAL EXERCISE

1. Repeat the tables of dry measure and liquid measure. 2. Repeat the tables of length, square measure, and cubic measure.

3. How many things make a dozen? a gross? a great gross? a score? a quire? When are these used?

4. Draw on the blackboard the different kinds of triangles studied by you and name them. (See page 152.)

5. If a rectangle is 60 ft. long and 40 ft. wide, what is the area? Explain your work. (See page 154.)

6. If a triangle has a base 40 ft. and a height 40 ft., what is the area? Explain your work. (See page 154.) and a height 15 ft., (See page 155.)

7. If a parallelogram has a base 20 ft. what is the area? Explain your work.

8. If a rectangular solid is 7 ft. long, 6 ft. wide, and 2 ft. high, what is the volume? Explain your work. (See page 156.)

WRITTEN EXERCISE

1. What is the volume of a room 16 ft. by 18 ft., and 10 ft. high? 221 ft. by 241 ft., and 9 ft. 10 in. high?

2. What is the area of the floors of the same rooms? 3. What is the area of the walls of the same rooms, allowance being made for openings?

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4. Some 4-ft. wood is piled 5 ft. high. The pile is 2 rd. long. How many cords are there? Suppose it is 7 rd. long? 5. How many gallons in a tank 12 ft. 3 in. long, 4 ft. 8 in. wide, and 4 ft. 2 in. deep, allowing 231 cu. in. to a gallon? Suppose it is 13 ft. x 61 ft. x 31 ft.?

ORAL EXERCISE

1. A bin holds 385 cu. ft. of coal. At 35 cu. ft. to the ton, how many tons does it hold? how many pounds?

2. A brick wall contains 300 cu. ft. At 22 bricks to the cubic foot, how many bricks are in the wall?

3. A bin is 4 ft. by 3 ft., and 1 ft. deep. How many cubic feet does it contain? At 14 cu. ft. to the bushel, how many bushels? How many if it were 5 ft. deep?

292. Certain equivalents. The following, already referred to, are often considered important enough to be memorized:

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293. Teachers are advised to require memorizing the above equivalents only when their course of study so directs. In certain parts of the country other measures may be demanded by local conditions, as in those states which still make use of the Mexican measures: 1 vara = 33 in., 1900.8 varas = 1 mi., 5645.376 square varas = 1 acre. Such local demands should always be met.

WRITTEN EXERCISE

1. How many cubic inches in 1645 bu.? in 27433 bu.? 2. A grain elevator has a capacity of 812,000 bu. At 1 cu. ft. per bushel, what is its capacity in cubic feet?

3. A grain elevator has a capacity of 1,500,000 cu. ft. It charges 1 ct. per bushel for storing grain for the first 10 da. and ct. per bushel for each succeeding period of 10 da. If it is 66% full for exactly 30 da., what is its income for that time?

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