Missing Number Grid Worksheet

Logical reasoning lesson 6: Missing number in a grid · Set 6 · 40 questions

How to think it through (Full rows first): Look at a full row: do the first two numbers add, take away or multiply to make the third? Is the row total the same in every row? Check the same rule on the other full row. If rows do not work, try the columns. Use the rule on the row with the ?.

1. 1.Find the missing number. The same rule works in every row or in every column.
   3 | 5 | 15
   9 | 2 | 18
   5 | ? | 15
2. 2.Find the missing number. The same rule works in every row or in every column.
   5 | 17 | 9
   ? | 12 | 14
   6 | 29 | 23
3. 3.Find the missing number. The same rule works in every row or in every column.
   1 | 15 | ?
   18 | 17 | 15
   19 | 32 | 29
4. 4.Find the missing number. The same rule works in every row or in every column.
   8 | 3 | 11
   ? | 6 | 16
   11 | 3 | 14
5. 5.Find the missing number. The same rule works in every row or in every column.
   19 | 1 | 20
   7 | ? | 9
   10 | 4 | 14
6. 6.Find the missing number. The same rule works in every row or in every column.
   17 | 5 | 22
   12 | 20 | ?
   20 | 19 | 39
7. 7.Find the missing number. The same rule works in every row or in every column.
   18 | 13 | ?
   6 | 19 | 25
   20 | 1 | 21
8. 8.Find the missing number. The same rule works in every row or in every column.
   ? | 19 | 33
   15 | 20 | 35
   3 | 20 | 23
9. 9.Find the missing number. The same rule works in every row or in every column.
   2 | 2 | 14
   2 | 12 | ?
   10 | 7 | 1
10. 10.Find the missing number. The same rule works in every row or in every column.
    4 | ? | 28
    4 | 7 | 28
    3 | 8 | 24
11. 11.Find the missing number. The same rule works in every row or in every column.
    9 | 1 | 2
    3 | ? | 8
    2 | 1 | 9
12. 12.Find the missing number. The same rule works in every row or in every column.
    ? | 4 | 16
    7 | 2 | 14
    2 | 6 | 12
13. 13.Find the missing number. The same rule works in every row or in every column.
    7 | 3 | 10
    6 | 1 | 7
    12 | 20 | ?
14. 14.Find the missing number. The same rule works in every row or in every column.
    16 | 1 | ?
    13 | 4 | 1
    9 | 1 | 8
15. 15.Find the missing number. The same rule works in every row or in every column.
    6 | 15 | 2
    1 | 7 | 15
    ? | 1 | 5
16. 16.Find the missing number. The same rule works in every row or in every column.
    ? | 1 | 8
    3 | 19 | 22
    19 | 2 | 21
17. 17.Find the missing number. The same rule works in every row or in every column.
    4 | ? | 28
    2 | 3 | 6
    4 | 3 | 12
18. 18.Find the missing number. The same rule works in every row or in every column.
    2 | 2 | 4
    ? | 2 | 4
    2 | 8 | 16
19. 19.Find the missing number. The same rule works in every row or in every column.
    11 | 5 | 14
    14 | 3 | ?
    25 | 8 | 34
20. 20.Find the missing number. The same rule works in every row or in every column.
    3 | 1 | 4
    ? | 10 | 12
    17 | 19 | 36
21. 21.Find the missing number. The same rule works in every row or in every column.
    16 | 2 | 5
    12 | 4 | 7
    7 | 9 | ?
22. 22.Find the missing number. The same rule works in every row or in every column.
    10 | 2 | 1
    4 | 5 | 4
    ? | 1 | 1
23. 23.Find the missing number. The same rule works in every row or in every column.
    12 | 2 | 1
    13 | 1 | ?
    5 | 9 | 1
24. 24.Find the missing number. The same rule works in every row or in every column.
    ? | 5 | 11
    15 | 14 | 2
    21 | 19 | 13
25. 25.Find the missing number. The same rule works in every row or in every column.
    5 | ? | 25
    9 | 4 | 36
    4 | 2 | 8
26. 26.Find the missing number. The same rule works in every row or in every column.
    18 | 12 | ?
    2 | 20 | 15
    20 | 32 | 33
27. 27.Find the missing number. The same rule works in every row or in every column.
    28 | 1 | ?
    18 | 10 | 2
    27 | 2 | 1
28. 28.Find the missing number. The same rule works in every row or in every column.
    8 | ? | 3
    9 | 1 | 3
    8 | 1 | 4
29. 29.Find the missing number. The same rule works in every row or in every column.
    9 | 8 | 72
    6 | ? | 12
    8 | 2 | 16
30. 30.Find the missing number. The same rule works in every row or in every column.
    16 | 2 | 18
    16 | 9 | ?
    2 | 3 | 5
31. 31.Find the missing number. The same rule works in every row or in every column.
    ? | 5 | 13
    20 | 2 | 22
    9 | 9 | 18
32. 32.Find the missing number. The same rule works in every row or in every column.
    1 | 20 | ?
    2 | 20 | 22
    5 | 20 | 25
33. 33.Find the missing number. The same rule works in every row or in every column.
    1 | 21 | 4
    5 | 12 | 9
    1 | ? | 8
34. 34.Find the missing number. The same rule works in every row or in every column.
    13 | 18 | 12
    20 | ? | 17
    33 | 23 | 29
35. 35.Find the missing number. The same rule works in every row or in every column.
    20 | 9 | ?
    10 | 1 | 10
    30 | 10 | 23
36. 36.Find the missing number. The same rule works in every row or in every column.
    5 | 3 | ?
    7 | 3 | 21
    5 | 2 | 10
37. 37.Find the missing number. The same rule works in every row or in every column.
    13 | 1 | 1
    2 | 7 | 6
    11 | 2 | ?
38. 38.Find the missing number. The same rule works in every row or in every column.
    7 | 9 | ?
    19 | 2 | 5
    26 | 11 | 23
39. 39.Find the missing number. The same rule works in every row or in every column.
    6 | 4 | 10
    10 | 16 | 26
    19 | 12 | ?
40. 40.Find the missing number. The same rule works in every row or in every column.
    6 | 6 | 14
    17 | 9 | 18
    ? | 15 | 32

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