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Numbers in an Ascending Sequence: Fill in the Gaps

In this worksheet, students work out the three missing numbers in a sequence by first working out the pattern in the sequence.

'Numbers in an Ascending Sequence: Fill in the Gaps' worksheet

Key stage:  KS 2

Curriculum topic:  Maths and Numerical Reasoning

Curriculum subtopic:  Sequences

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this worksheet you must identify the three missing numbers in a sequence.

 

Example

Identify the three missing numbers in the sequence.

    54   64 69 74

 

 

Answer

Try to work out what the numbers increase by.  

Here look at 64, 69 and 74 which go up in 5s.

Use this to work out the rest by adding or subtracting 5 to existing numbers to go to the right or left of a number.

 

44 49 54 59 64 69 74

Identify the three missing numbers in the sequence.

 

 a b
71 76 81  c 91

Column A

Column B

a
61
b
66
c
86

Identify the three missing numbers in the sequence.

 

63 a
81 90 b
108 c

 

 

Column A

Column B

a
117
b
72
c
99

Identify the three missing numbers in the sequence.

 

31 39 a
b
63 c
79

Column A

Column B

a
47
b
71
c
55

Identify the three missing numbers in the sequence.

 

34 42 a
58 b
74 c

Column A

Column B

a
66
b
82
c
50

Identify the three missing numbers in the sequence.

 

 a  b 66 73 80  c 94

Column A

Column B

a
59
b
87
c
52

Identify the three missing numbers in the sequence.

 

 a 82 91 b
109  c 127

Column A

Column B

a
100
b
73
c
118

Identify the three missing numbers in the sequence.

 

 a  b  c 77 83 89 95

Column A

Column B

a
71
b
59
c
65

Identify the three missing numbers in the sequence.

 

 a 32 38 b
50 56 c

Column A

Column B

a
26
b
44
c
62

Identify the three missing numbers in the sequence.

 

a
57 61 65 69 b
 c

Column A

Column B

a
73
b
53
c
77

Identify the three missing numbers in the sequence.

 

53 a
67 74 b
 c 95

Column A

Column B

a
60
b
88
c
81
  • Question 1

Identify the three missing numbers in the sequence.

 

 a b
71 76 81  c 91
CORRECT ANSWER

Column A

Column B

a
61
b
66
c
86
  • Question 2

Identify the three missing numbers in the sequence.

 

63 a
81 90 b
108 c

 

 

CORRECT ANSWER

Column A

Column B

a
72
b
99
c
117
  • Question 3

Identify the three missing numbers in the sequence.

 

31 39 a
b
63 c
79
CORRECT ANSWER

Column A

Column B

a
47
b
55
c
71
  • Question 4

Identify the three missing numbers in the sequence.

 

34 42 a
58 b
74 c

CORRECT ANSWER

Column A

Column B

a
50
b
66
c
82
  • Question 5

Identify the three missing numbers in the sequence.

 

 a  b 66 73 80  c 94

CORRECT ANSWER

Column A

Column B

a
52
b
59
c
87
  • Question 6

Identify the three missing numbers in the sequence.

 

 a 82 91 b
109  c 127

CORRECT ANSWER

Column A

Column B

a
73
b
100
c
118
  • Question 7

Identify the three missing numbers in the sequence.

 

 a  b  c 77 83 89 95

CORRECT ANSWER

Column A

Column B

a
59
b
65
c
71
  • Question 8

Identify the three missing numbers in the sequence.

 

 a 32 38 b
50 56 c

CORRECT ANSWER

Column A

Column B

a
26
b
44
c
62
  • Question 9

Identify the three missing numbers in the sequence.

 

a
57 61 65 69 b
 c
CORRECT ANSWER

Column A

Column B

a
53
b
73
c
77
  • Question 10

Identify the three missing numbers in the sequence.

 

53 a
67 74 b
 c 95

CORRECT ANSWER

Column A

Column B

a
60
b
81
c
88
---- OR ----

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