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Know Your Numbers: Completing Number Sequences

In this worksheet, students work out the pattern in a simple number sequence and find the missing numbers.

'Know Your Numbers: Completing Number Sequences' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Sequences

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

This worksheet is about a frog who can add or take away numbers as it jumps.

Children must look at the numbers and work out what the frog is doing before working out the missing numbers.

 

Example

This is an adding frog.

Work out what he is adding and choose the right numbers for A and B. 

 

 

 

Answer

 

 

This is an "ADDING 1" frog.  It adds 1 to each number.

 

A = 23 and B = 25

This is an "Add 5" frog.

Work out the values of A and B.

 

13 18 23 28 A B

 

 

 

 AB
38
33
34
36

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

9 12 A 18 B 24
 AB
15
16
21
22

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

10 15 20 A 30 B
 AB
25
15
35
30

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

A B 25 30 35 40
 AB
15
20
10
5

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

67 A 59 55 B 47
 AB
63
50
64
51

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

67 62 57 52 A B
 AB
47
45
42
43

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

A B 57 55 53 51
 AB
58
59
61
62

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

38 A 42 44 B 48
 AB
40
41
45
46

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

A B 43 44 45 46
 AB
40
41
42
39

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

19 22 A 28 B 34
 AB
25
26
31
32
  • Question 1

This is an "Add 5" frog.

Work out the values of A and B.

 

13 18 23 28 A B

 

 

 

CORRECT ANSWER
 AB
38
33
34
36
EDDIE SAYS

Pattern:

+5
\"\"
+5
\"\"
+5
\"\"
+5
\"\"
+5
\"\"
13 18 23 28 33 38
  • Question 2

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

9 12 A 18 B 24
CORRECT ANSWER
 AB
15
16
21
22
EDDIE SAYS
This is an ADDING 3 frog.
  • Question 3

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

10 15 20 A 30 B
CORRECT ANSWER
 AB
25
15
35
30
EDDIE SAYS
This is an ADDING 5 frog.
  • Question 4

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

A B 25 30 35 40
CORRECT ANSWER
 AB
15
20
10
5
EDDIE SAYS
This is an ADDING 5 frog.
  • Question 5

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

67 A 59 55 B 47
CORRECT ANSWER
 AB
63
50
64
51
EDDIE SAYS
This is a TAKING AWAY 4 frog.
  • Question 6

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

67 62 57 52 A B
CORRECT ANSWER
 AB
47
45
42
43
EDDIE SAYS
This is a TAKING AWAY 5 frog.
  • Question 7

This is a "taking away frog".

Work out what he is taking away and choose the right numbers for A and B.

 

A B 57 55 53 51
CORRECT ANSWER
 AB
58
59
61
62
EDDIE SAYS
This is a TAKING AWAY 2 frog.
  • Question 8

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

38 A 42 44 B 48
CORRECT ANSWER
 AB
40
41
45
46
EDDIE SAYS
This is an ADDING 2 frog.
  • Question 9

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

A B 43 44 45 46
CORRECT ANSWER
 AB
40
41
42
39
EDDIE SAYS
This is an ADDING 1 frog.
  • Question 10

This is an "adding frog".

Work out what he is adding and choose the right numbers for A and B.

 

19 22 A 28 B 34
CORRECT ANSWER
 AB
25
26
31
32
EDDIE SAYS
This is an ADDING 3 frog.
---- OR ----

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