Determine a missing number in a number pattern, eg 3, 7, 11, __, 19, 23, 27

1. Counting Pattern - Buttons 1 * 3 4 5
2. Counting Pattern - Buttons 0 1 2 * 4
3. Counting Pattern - Buttons 1 2 3 4 *
4. Counting Pattern - Buttons * 4 3 2 1
5. Counting Pattern - Clouds 1 2 * 4 5
6. Counting Pattern - Clouds 5 4 3 2 *
7. Counting Pattern - Clouds 5 4 * 2 1
8. Counting Pattern - Clouds 5 * 3 2 1
9. Counting Pattern - Buttons * 2 3 4 5
10. Counting Pattern - Buttons 5 4 * 2 1
11. Counting Pattern - Buttons 5 * 3 2 1
12. Counting Pattern - Clouds 0 * 2 3 4
13. Counting Pattern - Clouds 4 3 * 1 0
14. Counting Pattern: Fill in the missing number
15. Counting Pattern - Buttons * 4 5 6 7
16. Counting Pattern - Buttons 10 9 8 * 6
17. Counting Pattern - Buttons 5 4 * 2 1
18. Counting Pattern - Clouds 4 * 6 7 8
19. Up and Away! 9 10 * 12 13
20. Up and Away! 14 15 16 * 18
21. Up and Away! * 16 17 18 19
22. Up and Away! 7 * 9 10 11
23. Up and Away! 4 5 * 7 8
24. Up and Away! 12 13 14 * 16
25. Up and Away! 10 11 12 * 14
26. Up and Away! * 8 9 10 11
27. Counting Pattern - Clouds 7 8 9 * 11
28. Counting Pattern - Clouds 9 8 7 * 5
29. Counting Pattern - Clouds 15 14 * 12 11
30. Counting Pattern - Clouds 5 6 7 * 9
31. How many on this card?
32. What's Your Number? 1 2 3 4 5 6 *
33. What's Your Number? 7 8 9 * 11 12
34. What's Your Number? 13 14 * 16 17 18 19
35. What's Your Number? 10 11 * 13 14 15 16
36. What's Your Number? 16 * 18 19 20 21 22
37. What's Your Number? 21 22 * 24 25 * 27
38. What's Your Number? 12 14 * 18 20 22 24
39. What's Your Number? 18 * 20 21 * 23 24
40. Counting pattern - Buttons: * 42 43 44 45
41. Counting pattern - Buttons: 37 38 * * 41
42. Counting Pattern - Buttons: 100 90 80 * 60
43. Counting Pattern - Buttons: * 20 22 24 26
44. Counting Pattern - Buttons: 55 53 51 * 47
45. Counting pattern - Clouds: 20 * 40 50 60
46. Counting pattern - Clouds: 18 20 * 24 *
47. Counting pattern - Clouds: 15 * 11 9 *
48. Counting pattern - Clouds: 0 5 * 15 *
49. Counting pattern - Clouds: 30 * 26 * 22
50. Counting pattern - Clouds: 75 80 85 * 95
51. Counting pattern - Clouds: 60 55 * 45 *
52. Counting pattern - What's Your Number?: 20 30 40 50 * 70 80
53. Counting pattern - What's Your Number?: 36 37 38 39 40 * *
54. Counting pattern - What's Your Number?: 27 29 31 * 35 * 39
55. Counting pattern - What's Your Number?: 1 4 7 * 13 * 19
56. Counting pattern - What's Your Number?: 65 * 45 35 25 15 *
57. Counting pattern - What's Your Number?: 10 14 18 * 26 * 34
58. Counting pattern - What's Your Number?: 90 80 * 60 50 *30
59. Counting pattern - What's Your Number?: 45 * 55 60 65 * 75
60. Counting pattern - What's Your Number?: 95 90 * 80 75 * 65
61. Counting pattern - What's Your Number?: 35 40 * * 55 60 65
62. What's the Number?: 17 15 * 11 9 7 5
63. What's the Number?: 70 68 66 * 62 60 58
64. Croc Tracks - number pattern
65. Croc Tracks - number patterns
66. Croc Tracks - number pattern
67. Croc Tracks - number pattern