Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση

ARITHMETIC.

MENTAL EXERCISES.

ADDITION. ( 1.* 1. How many little fingers havo you on your righe Bund? How many on your loft? 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, lnen, 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 both? How many do two and two make, put together?

6. If you have three pins in ono 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 thrce 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 thon?

9. Thomas has four cents, and William l.as three ; how many hayo they both together? How many are four and three then?

10. You have five pins in one hand, and thrce in the other how many have you in both? How many are five and three then?

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

d

* The questions in 1 and II are intended for very young children. Oldes pupils may omit thero, Bus the two remaining sections, and the four tables. will claim en attentive peruna

2

[ocr errors]

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

13. How many fingers and thumbs have you on both hands:

14. Janies 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, is one cost six cents, and the other sour? How many are six and four then?

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 fivo, 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 foj two cents, how many cents will pay for both? How many arg ton and two then ?

21. How much money woald 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 looking. glass for twelve ; how much did he give for both ? How many arc tnree and twelve then ?

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

25. Count one hundred. One... ..1 Fourteen

.14 Two ..2 Fifteen

15 Three ..3 | Sixteen.

16 Four ..4 Seventeen.

.17 Fivo .5 Eighteen

.18 Six ..6 | Nineteen

.19 Seven .7 Twenty

.20 Eight .8 Twenty-one..

.21 Nino

.9 Twenty-two Ten...

.10 Twenty-three. Eleven .11 | Twenty-four

..24 Twelva. .12 Twenty-five

.25 Thirtcon 113 Twenty-six .

.26

..22

[ocr errors]

R:

ovor.

Twenty-seven.
.27 | Fifty

. Twenty-eight

.28 Sixty: Twenty-nine. .29 Seventy

70 Thirty .30 Eighty

...90 Thirty-one, &c. .31 | Ninety

.:.90 forty . 10 One hundred .

..100 Note. The pupil is to recite the above, with the written numbera correres

Tho answers to the following questions are to be given by writ yg them down on the stato at recitation, to test the pupil's knowledge of numi ers from one to ono hundred.

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

Ninoty-nine. 27. James has seventy-eight cents, and Rufus eighiy-seven cents; which has the zost?

28. Thomas has fifty-nine dollars, and William sixty-nine which has the most? Which is the inost, cighty-nine, or ninety-nine ? Forty-seven, or seventy-four ? 29. Repeat the

ADDITION TABLE. 2 and 1 arc 3 3 and 1 are 4 4 und 1 are 5 2 and 2 are 4 3 and 2 are

5 4 and 2 are 6 2 and 3 aro 5 3 and 3 are 6 4 and 3 are 7 2 and are

3 and 4 are 7 4 and 4 are 8 2 and 5 are

7
3 and 5 arc

4 and 5 are 2 and 6 are

8
3 and 6 are

4 and 6 aro 10 2 and 7 are 9 3 and 7 are 10 4 and 7 aro 11 2 and 8 are 10 3 and 8 aro 11 4 and 8 are 12 2 and 9 are 11 3 and 9 are 12 4 and 9 are 13 2 and 10 aro 12 3 and 10 are 13 4 and 10 aro 14 2 and 11 are 13 3 and 11 are 14 4 and 11 aro 15 2 and 12 are 14

3 and 12 are 15 4 and 12 aro 16 5 and 1 are 6 6 and

1 arc
7

8

7 and 1 aro 5 and 2 are 7 6 and 2 are 8 7 and 2 are 5 and 3 arc 8 6 and 3 are. 9 7 and 3 are 10 5 and 4 are

6 and 4 are 10 7 and 4 are 11 géand 5 are 10 6 and 5 are 11 7 and 5 are 19 5 and 6 are 11 6 and 6 are 12

7 and 6 are 13 5 and 7 are 12 6 and 7 are 13 7 and aro 14 5 and 8 are 13 6 and 8 are 14 ny and 8 are 15 5 and 9 are 14 6 and 9 are 15 en ny and 9 are 16 5 and 10 are 15 6 and 10 aro 16 hey and 10 are 17 5 and 11 aro 16 6 and 11 are 17

and 11 are 16 5 and 12 are 17 6 and 12 are 18 y and 12 are 19

M

8 and I are

9 S and

2 are 10 8 and are 8 and 4 are 12 8 and 5 are 13 8 and 6 ars 14 8 and

aro 15 8 and E are 16 8 and

9 are 17 8 and 10 are 18 8 and I are 19 8 and 12 are 20 11 and 1 are 12 11 and 2 are 13 11 and 3 are 14 11 and

4 aro 15 Il and

5 are 16 li and

6 are 17 11 and

7 are 18 11 and 8 are 19

9 and
1 are 10

10 and 1 ere ll 9 and 2 are 11 10 and 2 are 19 9 and 3 are 12 10 and 3 are 13 9 and 4 are 13 10 and

4 aro 13 9 and 5 are 14

10 and 5 are 1 9 and 6 are 15 10 and 0 are 16 9 and 7 are 16 10 and 7 are 17 9 and 8 are 17

10 and 8 arc is 9 and I are 18 10 and

9 are 19 9 and 10 are 19 10 and 10 are 20 9 and 11 aro 20 10 and 11 are 21 I and 12 are 21 I 10 and 12 are 22 11 and 9 are 20 12 and

5 ere 17 11 and 10 are 21 12 and

6 are 18 11 and ul are 22 12 and 7 are 19 11 and 12 are 3 12 and 8 are 260

12 ani 9 arc 21 12 and I are 13

12 and 10 are 22 12 and 2 are 14

12 and il are 23 12 and 3 are 15

12 and 12 are 24 12 and 4 are 16

Questions on the Table. 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 ard 6? 4 and 8? 4 and 10" 4 and 12? 5 and 3? 5 and 5? 5 and 9? 5 and U?! and 4? 6 and 7? 6 and 10? 6 and 12? 7 and 2? 7 and 4 2 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 ? I 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? ]] and 12: 12 and 3? 12 and 6? 12 and 9? 12 and 12?

Note. The desig:a of the foregoing and following questions is to provent the scholar from resting satisfied with saying his talle musely by rote, which fre. quontly hapens. For, if le can count, be will say it, without making a rin gle addition in his inind.

31. You borrow 12 dollars at on? time, and 2 ar another; low much have you borrowed in all. tlow many are 12 and 2:

32. William has 1l 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 7 dollars; how much did he pay for both ? flow many are 13 and 7 ?

34. A man bought 10 bushels of rye for 15 dollars, 6 bushels of apples for ti dollars; how inuch did lo pay for both: How many arc 15 and 6? 35. William has 4 marbles in one pocket, 6 in the ather, and

U

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 y, to Henty 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 inany 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 ? O and 65? 6 and 85 ? 6 and 95 ?

SUBTRAOTION. TII1. If you should lose one finger from one hand, hove 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 fingi vrs, and loave the other fingers (pen, 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 cft Ilow many are 8 less 3? Why?

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

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

7 'f you have 12 dollars, and lose 2, how many will you havo 14" flow many are! from 12 then? Why?

« ΠροηγούμενηΣυνέχεια »