4. How many are 17 and 5? 27 and 5? 47 and 5? 29 and 5? 49 and 5? 69 and 5?

5. There are 17 birds on one tree and 4 on another: how many birds on both trees?

6. A man gave 26 dollars for a coat and 5 dollars for a hat: how many dollars did he give for both?

7. A drover bought 19 cows of one man and 4 of another: how many cows did he buy?

8. James picked 27 peaches from one limb and 5 peaches from another: how many peaches did he pick from both limbs?

9. Mary has written 16 lines: if she write 5 lines more, how many lines will she then have written?

10. George gave 15 cents for a slate and 5 cents for a pencil: how many cents did he give for both? 11. Begin with 2 and count to 50, or more, by adding 4 successively; by adding 5 successively. 12. Begin with 3 and count to 48 by adding 5 successively.

6. What is the sum of four hundred and four; four

thousand and forty; forty thousand four hundred; and four million four hundred thousand?

7. A grain dealer bought 2350 bushels of wheat on Monday, 4215 bushels on Tuesday, 3245 bushels on Wednesday, 1500 bushels on Thursday, 2424 bushels on Friday, and 1350 bushels on Saturday: how many bushels did he buy?

8. In a city containing five wards, there are 345 voters in the first ward, 443 in the second, 213 in the third, 523 in the fourth, and 425 in the fifth: how many voters in the city?

9. A father gave to his eldest son 225 acres of land, to the second 155 acres, to the third 145 acres, and to the youngest 124 acres: how many acres did he give to all?

10. The first three cars of a freight train contain 35240 pounds each; the next four cars, 25345 pounds each; the next two cars, 31540 pounds each; and the last car, 25432 pounds: how many pounds of freight in the ten cars?

LESSON III.

New Additive Number, 6.

MENTAL EXERCISES.

1. Two and 6 are how many? 4 and 6? 3 and 6? 5 and 6? 7 and 6? 9 and 6? 8 and 6?

2. How many are 17 and 6? 28 and 6? 48 and 6? 68 and 6? 58 and 6? 78 and 6?

3. How many are 19 and 6? 29 and 6? 59 and 6? 39 and 6? 69 and 6? 49 and 6?

4. Begin with 3 and count to 63 by adding 6 successively.

5. Mary's father gave her 5 peaches and her mother gave her 6: how many peaches did both give her?

6. John solved 18 problems before school and 6 problems in school: how many problems did he solve?

7. A farmer bought a cow for 27 dollars and a calf for 6 dollars: how many dollars did he pay for both? 8. The head of a fish is 5 inches long, its body 16 inches, and its tail 6 inches: how long is the fish?

9. In a certain orchard there are 29 apple trees, 5 pear trees, and 6 peach trees: how many trees in the orchard?

10. William gave a blind boy 19 cents, John gave him 15 cents, and Charles 6 cents: how many cents did they all give him?

6. Add thirty-six thousand three hundred and twenty-five; fourteen thousand and forty-six; twentythree thousand four hundred and five; fifteen thousand and sixteen; and three hundred and six thousand three hundred and four.

7. What is the sum of three million one thousand and fifty-six; six hundred thousand six hundred and twenty-five; four million forty-two thousand and four; forty-five million six hundred and fifty thousand?

7?

LESSON IV.

New Additive Number, 7.

MENTAL EXERCISES.

1. Two and 7 are how many? 5 and 7? 3 and

6 and 7? 8 and 7? 7 and 7? 9 and 7?

2. How many are 18 and 7? 48 and 7? 68 and 7? 88 and 7? 28 and 7?

3. Fifteen and 7 are how many? 35 and 7? 65 and 7? 45 and 7? 75 and 7?

4. Begin with 4 and count to 53 by adding 7 successively.

5. Charles had 6 marbles and his father gave him 7: how many marbles had he then?

6. A garden contains 19 pear trees and 7 peach trees: how many trees in the garden?

7. A man bought a set of harness for 37 dollars and a saddle for 7 dollars: how much did he pay for both?

8. Mr. Jones gave 8 plums to John, 6 to Henry, and 7 to George: how many plums did he give to the three boys?

9. Frank gave 10 cents for a lead-pencil, 5 cents for a piece of rubber, and 7 cents for paper: how much did the three articles cost?

10. A gentleman gave 36 dollars for a suit of clothes, 7 doliars for a pair of boots, and 5 dollars for a hat: how much did he pay for all?

11. Count by 7's from 2 to 72; from 5 to 89; from 4 to 95; from 6 to 97.

12. Count by 6's from 3 to 75; from 4 to 88; from 5 to 95; from 7 to 97.

5. What is the sum of sixteen million four thousand and sixty-five; three hundred thousand two hundred and fifty-six; seven thousand and forty; and five million five thousand and seven?

6. What is the sum of forty-five million seven thousand and seventy; six million sixty-five thousand two hundred and six; and seventy-five thousand and fortyfour?

7. January has 31 days; February (except in leap year), 28; March, 31; April, 30; May, 31; and June, 30: how many days in the first six months of the year?

8. A gentleman owns five farms, containing, respectively, 285 acres, 345 acres, 146 acres, 438 acres, and 248 acres: how many acres of land does he own?

9. A newsboy sold 327 papers in April, 465 in May, 318 in June, and 278 in July: how many papers did he sell in the four months?

10. The first ward of a city contains 1675 youth of school age; the second, 2357 youth; the third, 2347; the fourth, 3270; and the fifth, 2677: how many youth of school age in the city?