Class 6 Maths Worksheet

Missing Numbers

Name: ____________________________
Date: ____________________________
Class: ____________________________

A. Complete the Number Patterns

Fill in the missing numbers.

1. 2, 4, 6, ___, 10, 12
2. 5, 10, ___, 20, 25, 30
3. 11, 22, ___, 44, 55, 66
4. 100, 90, ___, 70, 60, 50
5. 7, 14, 21, ___, 35, 42
6. 3, 6, ___, 12, 15, 18
7. 50, 45, 40, ___, 30, 25
8. 8, 16, 24, ___, 40, 48
9. 125, 150, ___, 200, 225
10. 200, 180, ___, 140, 120

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B. Find the Missing Number

11. 15 + ___ = 32
12. ___ + 27 = 50
13. 64 − ___ = 28
14. ___ − 19 = 36
15. 8 × ___ = 56
16. ___ × 9 = 81
17. 72 ÷ ___ = 8
18. ___ ÷ 6 = 7
19. 45 + ___ = 100
20. 150 − ___ = 75

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C. Complete the Number Sequences

21. 10, 20, 30, ___, 50, ___
22. 3, 9, 15, ___, 27, ___
23. 100, 95, 90, ___, 80, ___
24. 4, 8, 16, ___, 64, ___
25. 1, 4, 9, ___, 25, ___
26. 2, 6, 12, ___, 30, ___
27. 81, 72, 63, ___, 45, ___
28. 6, 12, 18, ___, 30, ___
29. 150, 175, 200, ___, 250, ___
30. 500, 450, 400, ___, 300, ___

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D. Missing Numbers in Addition

31. 24 + ___ = 60
32. ___ + 35 = 82
33. 47 + ___ = 100
34. ___ + 48 = 125
35. 135 + ___ = 200
36. ___ + 75 = 150
37. 225 + ___ = 300
38. ___ + 125 = 250

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E. Missing Numbers in Subtraction

39. 80 − ___ = 35
40. ___ − 25 = 60
41. 100 − ___ = 44
42. ___ − 38 = 72
43. 250 − ___ = 175
44. ___ − 125 = 200
45. 500 − ___ = 325
46. ___ − 150 = 350

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F. Missing Numbers in Multiplication

47. 6 × ___ = 42
48. ___ × 8 = 64
49. 9 × ___ = 81
50. ___ × 12 = 144
51. 7 × ___ = 63
52. ___ × 15 = 150
53. 11 × ___ = 121
54. ___ × 20 = 200

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G. Missing Numbers in Division

55. 48 ÷ ___ = 6
56. ___ ÷ 7 = 8
57. 81 ÷ ___ = 9
58. ___ ÷ 12 = 10
59. 100 ÷ ___ = 10
60. ___ ÷ 15 = 8
61. 144 ÷ ___ = 12
62. ___ ÷ 20 = 10

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H. Mixed Operations

63. ___ + 15 = 40
64. 75 − ___ = 25
65. ___ × 7 = 49
66. 96 ÷ ___ = 12
67. 35 + ___ = 80
68. ___ − 45 = 55
69. 12 × ___ = 120
70. ___ ÷ 9 = 11

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I. Find the Rule

Write the missing number.

71. 4 → 8 → 12 → ___ → 20
72. 5 → 15 → 25 → ___ → 45
73. 60 → 50 → 40 → ___ → 20
74. 2 → 6 → 18 → ___ → 162
75. 100 → 90 → 80 → ___ → 60
76. 3 → 6 → 12 → ___ → 48
77. 1 → 3 → 6 → ___ → 15
78. 2 → 5 → 8 → ___ → 14

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J. Word Problems

79. A number plus 25 equals 70. What is the number?

Answer: __________________

80. A number minus 35 equals 45. What is the number?

Answer: __________________

81. A number multiplied by 6 equals 54. What is the number?

Answer: __________________

82. A number divided by 8 equals 9. What is the number?

Answer: __________________

83. There are 120 books on a shelf. After some books are removed, 75 remain. How many books were removed?

Answer: __________________

84. A teacher has some pencils. She gives 28 pencils to students and has 42 left. How many pencils did she have originally?

Answer: __________________

85. Six equal boxes contain 48 pencils altogether. How many pencils are in each box?

Answer: __________________

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K. Challenge Questions

86. 2, 5, 10, 17, ___, 37
87. 1, 4, 9, 16, ___, 36
88. 3, 6, 12, 24, ___, 96
89. 120, 110, 95, 75, ___
90. 7, 14, 28, 56, ___
91. ___ + 125 = 375
92. 600 − ___ = 275
93. ___ × 25 = 500
94. 360 ÷ ___ = 40
95. A number is multiplied by 8 and the answer is 96. Find the number.

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Answer Key

1. 8
2. 15
3. 33
4. 80
5. 28
6. 9
7. 35
8. 32
9. 175
10. 160
11. 17
12. 23
13. 36
14. 55
15. 7
16. 9
17. 9
18. 42
19. 55
20. 75
21. 40, 60
22. 21, 33
23. 85, 75
24. 32, 128
25. 16, 36
26. 20, 42
27. 54, 36
28. 24, 36
29. 225, 275
30. 350, 250
31. 36
32. 47
33. 53
34. 77
35. 65
36. 75
37. 75
38. 125
39. 45
40. 85
41. 56
42. 110
43. 75
44. 325
45. 175
46. 500
47. 7
48. 8
49. 9
50. 12
51. 9
52. 10
53. 11
54. 10
55. 8
56. 56
57. 9
58. 120
59. 10
60. 120
61. 12
62. 200
63. 25
64. 50
65. 7
66. 8
67. 45
68. 100
69. 10
70. 99
71. 16
72. 35
73. 30
74. 54
75. 70
76. 24
77. 10
78. 11
79. 45
80. 80
81. 9
82. 72
83. 45
84. 70
85. 8
86. 26
87. 25
88. 48
89. 50
90. 112
91. 250
92. 325
93. 20
94. 9
95. 12