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In regard to motive I shall say little. High professions of disinterestedness in an author's preface, seldom obtain implicit credence; and that for the best possible reason, they seldom deserve it. I should be pleased with a compensation for my labour, and hope that the public will find in the utility of the work, an equivalent for the expense i costs them.

ROSWELL C. SMITH. Providence, October, 1826.

PRACTICAL

AND
MENTAL ARITHMETIC.

Repeat the Aildition and Subtraction Table.
2 and 1. are 3 · 3andllare 14 5 and Bare 13
4 12 15

9

14

10 15
4 and 1 are 5

11 16
2 6 12 17
6 8
no 9 4 8 6 and 1 are y
8 10

5 9
9 11 6 10
10 12

og 11 4 10
11 13
8 12

5 11
12 14 9 13

6 12

10 14 7 13 % and 1 are 4 11 15

8 14 16

9 15 6

10. 16 ng 5 and 1 are 6 11 17 5 8

12 18 6 9

3 8

9 7 and I are 8 8 11

5 - 10 29 9 12 6 11 3 10 10 13

12 4 11

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D

ng and 5are 12 9 and 4 are 13 lIand3 are 14 6 13 5 14

4 15 n 14 6 15 5 16 8 15 7 16

6 17 9 16 - 8 17 7 18 10 17 9 18

8 19 11 18 10. 199

20 12 1911 20 10 21

12 21 11 22 S and I are 9

12 23 10 10 andlare11

11. 2 12 12andlare 13 4 12

3 13 5 13 4 4 14

3 15 5 15 . 4 16 hogy 15

5 17 8 16 h 17 6 18 9 17 8 18

7. 19 10 18

9 19
11 19

9 21
12 20
---

12 22 11 23
9 and lare 10

12 24
11 11and1 are 12
3 12 2 13

14

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14

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Repeat the Multiplication Table, forward, back-:

ward, and by Division. 2 times 1 are 2 2 times 6 are 12 2 times11 are22

4
ng 14

12 24 3 6

-8 16 -
9 18 3 times 1 are 3

20

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2. is 2

Repeat the Table of Pence, Shillings and Cents. farthings, pence,cents, shil. pence, pence, cents. 1 is 0

10 is 14

11 15 10 is 12or 16 1 or 1. 1 1 1. 13 18

1 2 • 14 194 1 3 15 21

16 22 1 5 17 231 41 61 1 6 18 25"

17 19 264 6 87 18 20 271

19
8 11 1 10
9 124 1 11

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vor A CON

ning that

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