79. The area of Maine in square miles is 33,040; of New Hampshire, 9305; of Vermont, 9565; of Massachusetts, 8315; of Rhode Island, 1250; of Connecticut, 4990. is the area of New England in square miles?

What

80. Mr. A deposited in the First National Bank of Albany, N.Y., on June 5, 1910, $469.50; on June 10, $764.35; on June 12, $320; on June 16, $125.75; on June 18, $673.85. He also deposited in the National Park Bank of New York City, on June 22, 1910, $3450.27; and on June 24, $1250. How much did he deposit in each of the banks? How much in both banks?

81. A glass factory in Newark made in one day 1760 tumblers, 860 goblets, 2125 ounce bottles, 1240 two-ounce bottles, 375 fruit jars, 3600 glass tubes, and 1200 other articles for laboratory purposes. How many articles were made in all ?

82. A grain dealer in Chicago shipped 3750 bushels of wheat and 4560 bushels of corn to Baltimore one week; the next week 4675 bushels of wheat and 5000 bushels of corn; and the week following 6000 bushels of wheat and 7180 bushels of corn. How many bushels of each kind did he ship? How many bushels of grain?

83. If it takes 16,718 bricks to build a dwelling house, 39,900 for a school building, and 50,000 for a church, how many bricks will be required for the three buildings?

84. A business firm sold in the month of December $6575 worth of goods; a second firm sold $7480 worth; a third, $7850; a fourth, $8175; a fifth, $8262; and a sixth firm sold $9150 worth. What was the value of the goods sold?

85. If in Hartford there were made during the first week in September 3980 clocks, the second week 3986, the third week 4015, and the fourth week 4220, how many clocks were made there during those four weeks?

86. Virginia contains 42,450 square miles; Tennessee, 42,050 square miles; North Carolina, 10,200 square miles more than Tennessee; and Louisiana 6270 square miles more than Virginia; Maryland contains 12,210 square miles. How many square miles do all these states contain?

87. In a certain town there were manufactured in one week 5860 yards of broadcloth, 7970 yards of black cheviot, 9370 yards of muslin, 6250 yards of calico, 3600 yards of gingham, and 12,000 yards of various other woolen and cotton goods. How many yards were manufactured in the entire week?

88. A cork factory made 16,150 corks on Monday, 17,050 on Tuesday, 17,364 on Wednesday, 17,500 on Thursday, 18,008 on Friday, and 18,169 on Saturday. The week fol lowing 4000 more corks were made than during the preceding week. How many corks were made in the two weeks?

89. On October 23 a vessel arrived at Cincinnati from Mobile having on board 90 bales of cotton, weighing 27,600 pounds, in one part of the ship, and 17,900 pounds of cotton in another part; also 156 hogsheads of cane sugar, 5060 gallons of cane molasses, and 1260 gallons of sorghum molasses. On the same day a vessel arrived from New Orleans, with 45,760 pounds of cotton, 3600 gallons of cane molasses, 630 gallons of sorghum molasses, and 175 hogsheads of cane sugar. How many pounds of cotton, how many gallons of molasses, and how many hogsheads of sugar were there on both vessels ?

SUBTRACTION.

45. 1. How many books are left when 3 books are taken from 6 books?

2. How many horses are left when 3 horses are taken from 4 horses?

3. Henry drew 5 pictures, all but 2 of which were pictures of birds. How many pictures of birds did he make?

4. What is the difference between 4 cents and 2 cents? 5. What is the difference between 5 and 3? Between 4 and 2?

6. What have you been doing with the numbers given above?

7. Take 3 from 4, and what number remains? Add this remainder to the smaller number, and tell how the sum compares with the larger number.

8. Take 3 from 5, and what number remains? Add this remainder to the smaller number, and tell how the sum compares with the larger number?

9. When one number is subtracted from another, how does the sum of the remainder and the smaller compare with the larger?

10. Why can we not express the difference between 6 apples and 5 cents?

46. The process of finding what is left when a part of a number is taken away from it, or of finding the difference between two numbers is called Subtraction.

47. The number from which another is to be subtracted is called the Minuend.

48. The number to be subtracted is called the Subtrahend.

49. The result obtained by subtracting is called the Remainder or Difference.

50. The Sign of Subtraction is a short horizontal line It is called minus. When it is placed between two numbers, it shows that the one after it is to be subtracted from the one before it.

5 is read 9 minus 5, and means that 5 is to be subtracted

2. The sum of the subtrahend and the remainder is equal to the minuend.

DRILL EXERCISES.

52. Students should practice these exercises daily until they can tell the results instantly.

53. 1. If I have 12 cents, and spend 5 cents for a pencil, how many cents will I have left ? 12-5=?

2. A man earns $15 per week, but spends $10. How much has he left at the end of the week? 15-10= ?

3. Our lesson contained 11 problems, of which I solved all but 3. How many did I solve? 11-3=?

4. A hen hatched 13 chicks, but 5 of them died. How many lived? 13-5? 13-3=? 13-4=?