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LESSON IV.

Combinations.

The tables are to be 1 are two; 1 from 2 once;

The classes are to be drilled in the following tables until they are fully understood. read across the page: thus. 1 and leaves one; once 1 is one; 1 in 1, for the other lines.

*

1 and 1 ; 1 from

and similarly

[blocks in formation]

1 and

2;

1 from

3; once

2 ; 1 in

2

1 and 3 ; 1 from

[blocks in formation]

1 and 4;

1 from

5 ; once

4; 1 in

4

1 and 5 ;

1 from

[blocks in formation]
[blocks in formation]

6; 1 in

6

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2 and 9; 2 from 11; two times
2 and 10; 2 from 12; two times 10

2 in 20

* SUGGESTION.-The object in placing these tables here is te drill the pupil in changing his mind from one subject to another. In each line he begins with addition, passes to subtraction, then to multiplication, and then to division." The difficulty of doing this accurately, and rapidly, will illustrate fully the value of the exercise. A mind must be well disciplined that can go through the entire tables without a mistake.

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8 from 13; 8 from 14 8 from 15; 8 from 16 ; 8 from 17 ; 8 from 18 ;

[ocr errors]

8 and 5 ; 8 and 6 ; 8 and 7 ; 8 and 8 ; 8 and 9 ; 8 and 10 9 and 1 ; 9 and 2 ; 9 and 3 ; 9 and 4 ; 9 and 5 ; 9 and 6 ; 9 and 7 ; 9 and 8 ; 9 and 9 ; 9 and 10 ;

[blocks in formation]
[blocks in formation]

;

9 times

1

; 9 in 9

[ocr errors]

2 9 in 18

[blocks in formation]

9; 10 from 19;

10 times

90

10 and
10 and 10; 10 from 20; 10 times

9 ; 10 in 10; 10 in 100

1 ; 11 in

2; 11 in

11

22

3; 11 in

33

4; 11 in

44

5; 11 in

55

6 ; 11 in

66

7 ; 11 in

77

8; 11 in

88

9 ; 11 in 99

11 and 1; 11 from 12; 11 times 11 and 2; 11 from 13; 11 times li and 3; 11 from 14; 11 times 11 and 4; 11 from 15; 11 times 11 and 5 ; 11 from 16; 11 times 11 and 6; 11 from 17; 11 times 11 and 7 ; 11 from 18; 11 times 11 and 8; 11 from 19; 11 times 11 and 9 ; 11 from 20; 11 times 11 and 10 11 from 21; 11 times 11 and 11; 11 from 22; 11 times 11; 11 and 12 11 from 23; 11 times 12 11 in 132 12 and 1; 12 from 13; 12 times 12 and 2; 12 from 14; 12 times 12 and 3; 12 from 15; 12 times 12 and 4; 12 from 16; 12 times 12 and 5; 12 from 17; 12 times

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12 from 21; 12 times
12 from 22;

12 times 12 and 11; 12 from 23; 12 times

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8

[blocks in formation]

7; 12 in 84

; 12 in 96

9; 12 in 108

10; 12 in 120

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1. How many mills are there in 2 cents? In 3 cents"? In half a cent? In 5 cents?

2. How many cents are there in ten mills? In 15 mills? In 65 mills?

3. How many cents are there in 5 dimes? In 6 dimes? In 8 dimes? In 10 dimes?

4. How many dimes are there in 10 cents? In 12 cents? In 16 cents? In 20 cents?.

5. How many dimes in 1 dollar? In 2 dollars? In 3 dollars? In 4 dollars? In 5 dollars?

6. How many dollars in 1 eagle? In 2 eagles? In 5 eagles? In 6 eagles? In 9 eagles?

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1. How many farthings are there in 1 penny? In 2 pence? In 4? In 6? In 8?

2. How many pence in 4 farthings? In 8 farthings? In 12 In 14? In 16?

3. How many pence are there in 1 shilling? In 2 shillings? In 3 shillings? In 4 shillings?

4. How many shillings are there in 12 pence? In 18? In 20 ? In 24? In 26 pence?

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