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21.1520-778. 25.1690-878. 29. 1450- 77. 22.1222-778. 26. 1920-778. 30.1090–777. 23.1324 78. 27. 1699-878. 31. 1897-887. 24.1290-777. 28.1040-778. 32.1580-878. 33. If I buy a house for 877 dollars, and sell it for 1092 dollars, what do I gain?

34. If I buy the house for 1092 dollars, and sell it for 877, what do I lose?

35. A fisherman caught 1079 herrings on Monday and 788 on Tuesday; how many more did he catch on Monday than on Tuesday?

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1. Henry has 11 cents and gives away 9; how many has he left? 11-9-how many?

2. Mary having 14 cherries gave 9 to her sister; how many had she left? 14-9= how many? 3. John bought a ruler for 10 cents, and sold it for 15 cents; how much did he gain?

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99.

25.1355-209. 29.1672-904. 33.1827 - 109. 26.1428-909. 30.1223-129. 34.600527.2000-109. 31.1666–901. 35.4003 - 3004. 28.3000- 99. 32.1728-519. 36.1111- 109.

37. A ship carrying 1100 tons of merchandise, was obliged to cast overboard during a storm 290 tons; how much of the cargo was left?

38. A merchant bought goods for 1000 dollars, and sold them for 990 dollars; what did he lose? 39. The St. Lawrence River is 2200 miles long, and the Hudson 350; how much longer is the St. Lawrence than the Hudson?

ORAL EXERCISES.

LESSON 32.

1. 1 from 10 leaves how many?

1 from 30? 1 from 40? 1 from 50?

1 from 20?

2. 2 from 11 leaves how many? 2 from 21? 2 from 31? 2 from 41? 2 from 51?

3. 3 from 10? 3 from 20? 3 from 30? 3 from 40? 3 from 50? 3 from 60? 3 from 70?

4. 4 from 12? 4 from 22? 4 from 32? 4 from 42? 4 from 52? 4 from 62? 4 from 72?

5. 13-5? 23-5? 33-5? 43-5? 53-5? 63-5? 73-5? 83-5? 93-5?

6. 14-6? 24-6? 34-6? 44-6? 54-6? 64-6? 74-6? 84-6? 94-6?

7. 8 from 12? 8 from 22? 8 from 32? 8 from 42? 8 from 52? 8 from 62? 8 from 72?

8. 10-9? 20-9? 30-9? 40-9? 50-9? 60-9? 70-9? 80-9? 90-9? 100-9?

9. 10 from 15? 10 from 25? 10 from 35? 10 from 45? 10 from 55? 10 from 65?

10. 2 from 12? 2 from 22? 2 from 32? 2 from 42? 2 from 52? 2 from 62? 2 from 72?

11. 3 from 5? 3 from 15? 3 from 25? 3 from 35? 3 from 45? 3 from 55?

12. 4-4? 14-4? 24-4? 34-4? 44-4?

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36. Mount Washington in New Hampshire is 6288 feet high, and Mount Mitchell in North Carolina is 6582 feet high; what is the difference in their heights?

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