Type the missing number in this sequence:  

2,    3,    4,    5,    6,  ____         

Type the missing number in this sequence:  

1,    2,    3,    4,  ____         

Type the missing number in this sequence:  

4,    5,  ____  ,    7,    8     

Type the missing number in this sequence:  

4,    5,    6,    7,     ____         

Type the missing number in this sequence:  

8,    9,    10,    11,    ____,    13          

Type the missing number in this sequence:  

10,    11,    12,    13,  ____         

Type the missing number in this sequence:  

4, ___  ,    6,    7,    8,    9         

Type the missing number in this sequence:  

2,    3,   ____ ,    5,    6,    7      

Type the missing number in this sequence:  

14,    15,    16,    17,    ___,    19,    20

Type the missing number in this sequence:  

13,    14,    15,   ____ ,    17,    18,    19   

Type the missing number in this sequence:  

9,    10,    11,    12,    13,    14,  ____         

Type the missing number in this sequence:

3,   4,   5,   6,   7,   8, __

Type the missing number in this sequence:

5,   6,   7,   8,   9, __

Type the missing number in this sequence:

7,   8,   9,   10, __

Type the missing number in this sequence:

7,   8,   9,   10,   11,    12, __,    14

Type the missing number in this sequence:

7,   8, __,    10,   11

Type the missing number in this sequence:

11,   12, __,    14,   15

Type the missing number in this sequence:

12, __,    14,   15,   16,   17

Type the missing number in this sequence:

15,   16,   17,   18, __,    20

Type the missing number in this sequence:

15,   16, __,    18,   19,    20

Type the missing number in this sequence:

15,   16,    17,    18,    19, __