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ARITHMETIC.

MENTAL EXERCISES.

ADDITION.

(I.* 1. How many little fingers have you on your righ Band? How many on your left? How many on both? 2. How many eyes have you

?

3. If you have two apples in one hand, and one in the other how many have you in both? How many are two and one, then, put together?

4. How many do your ears and eyes make, counted together? 5. If you have two nuts in one hand, and two in the other, how many have you in both? How many do two and two make, put together?

6. If you have three pins in one hand, and James puts another in, how many will you have in your hand? How many are three and one then?

7. If you have three pins in one hand, and James puts two more in, how many will you have in your hand? How many are three and two then?

8. If you have four apples in one pocket, and two in the other, how many will you have in both? How many are four and two then?

9. Thomas has four cents, and William l.as three; how many have they both together? How many are four and three then? 10. You have five pins in one hand, and three in the other how many have you in both? How many are five and three then?

11. You have four nuts in one hand, and four in the other; how many have you in both? How many are four and four then?

*The questions in ¶ I and II are intended for very young children. Older pupils may omit these, But the two remaining sections, and the four tables. will claim an attentive peruse

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12. If you count the fingers and thumb on one hand, and only the fingers on the other, how many will they make? How many are five and four then?

13. How many fingers and thumbs have you on both hands? 14. James has five marbles, and Thomas five; how many have they botn? How many are five and five then?

15. How many cents would it take to buy two whistles, if one cost six cents, and the other four? How many are six and four then?

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16. If you have eight pins on one sleeve, and two on the oth er, how many will you have on both? How many are eight and two then

17. How many iegs have two cats and a bird?

18. If I should give you six cents, and you should find five, how many would you have then? How many are six and five then?

19. If you count all your fingers, thumbs, and nose, how many will they make?

20. If you buy a picture-book for ten cents, and a pear for two cents, how many cents will pay for both? How many ars ten and two then?

21. How much money would you have, if your father should give you seven cents, and your brother six? How many are seven and six then?

22. If you have seven pins in one hand, and seven in the other, how many will you have in both? Ilow many are seven and seven then?

23. A man bought a chair for three dollars, and a lookingglass for twelve; how much did he give for both? How many are three and twelve then?

24. You give thirteen cents for a spelling-book, and three for an inkstand; how much do they come to? How many are thirteen and three ?

25. Count one hundred.

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Note. The pupil is to recite the above, with the written numbera covered over. 'The answers to the following questions are to be given by writ g them down on the slato at recitation, to test the pupil's knowledge of numbers from One to one hundred.

26. Write down in proper figures, Four; Seven; Eight, Twelve; Eighteen; Twenty-two; Thirty-two; Forty-five; Forty-nine; Fifty-six; Fifty-nine; Sixty-three; Seventy-five; Eighty-seven; Ninety-two; Ninety-seven; Ninety-nine.

27. James has seventy-eight cents, and Rufus eighty-seven cents; which has the most?

28. Thomas has fifty-nine dollars, and William sixty-nine which has the most? Which is the most, cighty-nine, or ninety-nine? Forty-seven, or seventy-four?

29. Repeat the

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Questions on the Table.

10 and 8 are 15 10 and 9 are 19 10 and 10 are 20 10 and 11 are 21 10 and 12 are 22 12 and 5 gre 17 12 and 6 are 18 12 and 12 and 8 are 20 12 and 9 arc 21 12 and 10 are 22 12 and 11 are 23 12 and 12 are 24

7 are 19

30. How many are 2 and 5? 2 and 7? 2 and 10? 2 and 12? 3 and 3? 3 and 9 3 and 12? 4 and 2? 4 and 6? 4 and 8? 4 and 10 4 and 12? 5 and 3? 5 and 5? 5 and 9? 5 and 11? E and 4? 6 and 7? 6 and 10? 6 and 12? 7 and 2? 7 and 42 7 and 7 7 and 9? 7 and 12? 8 and 2? 8 and 5? 8 and 7 8 and 9? 8 and 10? 8 and 12? 9 and 6? 9 and 9? 9 and 12? 10 and 3? 10 and 4? 10 and 6? 10 and 8? 10 and 11? 10 and 12? 11 and 3? 11 and 5: 11 and 6? 11 and 9? 11 and 12? 12 and 3? 12 and 6? 12 and 9? 12 and 12?

Note. The design of the foregoing and following questions is to prevent the scholar from resting satisfied with saying his table merely by rote, which fr quently happens. For, if he can count, he will say it, without making a n gle addition in his mind.

31. You borrow 12 dollars at on time, and 2 at another how much have you borrowed in all. How many are 12 and 2? 32. William has 11 cents, and James 11; how many do they both have? How many are 11 and 11?

33. A man bought a cart for 13 dollars, and a plough for dollars; how much did he pay for both? How many are 13

and 7?

34. A man bought 10 bushels of rye for 15 dollars, 6 bushels of apples for 6 dollars; how inuch did he pay for both? many are 15 and 6?

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35. William has 4 marbles in one pocket, & in the other, and

3 in his right hand; how many has he in all? How many are 4, 6 and 3?

36. Peter gave to his companions apples as follows; to James 7, to Henry 9, to William 10; how many did ho give away How many are 7, 9 and 10?

37. Rufus has 12 cents, James 12, and Thomas 2; if Rufus and James should give Thomasall their cents, how many would Thomas have: How many are 12, 12 and 2?

38. You give 16 cents for a knife, 4 cents for an inkstand, and 5 for a lead pencil; how much will all of them come to? How many are 16, 4 and 5?

39. Your brother William gave you 19 cents, your brothe John 10, and your cousin 2; how many did you have given you in all? How many are 19, 10 and 2?

40. How many are 6 and 4: 16 and 4? 26 and 4? 36 and 4? 46 and 4? 56 and 4? 66 and 4? 76 and 4? 86 and 4? 96 and 4? 10 and 5? 20 and 5? 40 and 5? 79 and 5? 80 and 5? 6 and 10? 6 and 40? 6 and 70? 7 and 3? 17 and 3? 37 and 3? 57 and 3? 77 and 3? 97 and 3? 5 and 5? 5 and 10? 5 and 15? 5 and 20? 25 and 5? 30 and 5? 45 and 5? 60 and 5? 75 and 5? 95 and 5? 8 and 4? 18 and 4? 28 and 4? 38 and 4? 48 and 4? 58 and 4? 68 and 4? 78 and 4? 88 and 4? 98 and 4? 9 and 3? 19 and 3? 29 and 3? 49 and 3? 79 and 3? 89 and 3? 6 and 5? 6 and 15? 6 and 25? 6 and 35? 6 and 45? 6 and 65? 6 and 85? 6 and 95?

SUBTRACTION.

II. 1. If you should lose one finger from one hand, how many would you have left on that hand? How many are 4 less 1? Why? Ans. Because 1 and 3 are 4.

2. If you have 5 cents, and give away 2, how many will you have left? How many are 5 less 2 then? Why?

3. If you shut both your little fingers, and leave the other fingers open, how many will be open? How many are 8 less 2? Why?

4 If you have 8 cents, and lose 3, how many will you have oft How many are 8 less 3? Why?

5 If you have 9 cents in a box, and take out 4, how many ill be left in the box? How many are 9 less 4, or 4 from 9? Why?

6. You borrow 8 pins, and pay 4; how many do you still owe? Icy many are 4 from 8 then? Why?

7 f you have 12 dollars, and lose 2, how many will you have 14. How many are 2 from 12 then? Why?

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