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Complete the Addition Table

In this worksheet, students must work out the missing numbers in the addition grids.

Key stage:  KS 1

Curriculum topic:  Number: Number and Place Value

Curriculum subtopic:  Represent Numbers to 100

Difficulty level:  

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QUESTION 1 of 10

In this worksheet, you have to find the missing numbers in addition grids.

 

Look at this grid.

 

+ 1 2 3 4 5
1          
2       6  
3          
4   6      
5          

 

It shows that 2 + 4 = 6 and 4 + 2 = 6

 

Now look at this grid.

 

+ 1 2 3 4 5
1          
2 3     6  
3          
4   6      
5       9  

 

It now also shows that 2 + 1 = 3 and 5 + 4 = 9

 

 

Example

Complete the grid below to find the value of A.

 

+ 1 2 3 4 5
1 2 A 4 5 6
2 A 4 5 6 7
3 4 5 6 7 8
4 5 6 7 8 9
5 6 7 8 9 10

 

Answer

2 + 1 = 3 and 1 + 2 = 3

A is 3

 

+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 7
3 4 5 6 7 8
4 5 6 7 8 9
5 6 7 8 9 10

Complete the grid below to find the value of A.

 

+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 A
3 4 5 6 A 8
4 5 6 A 8 9
5 6 A 8 9 10

Complete the grid below to find the value of B.

 

+ 1 2 3 4 5
1 2 3 4 5 B
2 3 4 5 B 7
3 4 5 B 7 8
4 5 B 7 8 9
5 B 7 8 9 10

Complete the grid below to find the value of C.

 

+ 1 2 3 4 5
1 2 3 4 C 6
2 3 4 C 6 7
3 4 C 6 7 8
4 C 6 7 8 9
5 6 7 8 9 10

Complete the grid below to find the value of D.

 

+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 7
3 4 5 6 7 D
4 5 6 7 D 9
5 6 7 D 9 10

Complete the grid below to find the value of E.

 

+ 1 2 3 4 5
1 2 3 E 5 6
2 3 E 5 6 7
3 E 5 6 7 8
4 5 6 7 8 9
5 6 7 8 9 10

Complete the grid below to find the value of A.

 

+ 1 2 3 4 5
1 2 3 4 5 6
5 6 A 8 9 10
3 4 5 6 7 8
4 5 6 7 8 9
2 3 4 5 6 7

Complete the grid below to find the value of A.

 

+ 2 1 3 4 5
1 3 2 4 5 6
5 7 A 8 9 10
3 5 4 6 7 8
4 6 5 7 8 9
2 4 3 5 6 7

Complete the grid below to find the value of A.

 

+ 2 1 3 4 5
1 3 2 4 5 6
5 7 6 A 9 10
3 5 4 6 7 A
4 6 5 7 A 9
2 4 3 5 6 7

Complete the grid below to find the value of B.

 

+ 2 4 3 1 5
5 B 9 8 6 10
1 3 5 4 2 6
3 5 B 6 4 8
4 6 8 B 5 9
2 4 6 5 3 B

Which letter stands for the number 10?

 

+ 1 2 3 4 5
5 7 9 8 6 A
1 3 5 4 2 6
3 5 B 6 4 C
4 6 D 7 5 9
2 4 6 5 3 E
A

B

C

D

E

  • Question 1

Complete the grid below to find the value of A.

 

+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 A
3 4 5 6 A 8
4 5 6 A 8 9
5 6 A 8 9 10
CORRECT ANSWER
7
EDDIE SAYS
2 + 5 = 7
3 + 4 = 7
4 + 3 = 7
5 + 2 = 7
  • Question 2

Complete the grid below to find the value of B.

 

+ 1 2 3 4 5
1 2 3 4 5 B
2 3 4 5 B 7
3 4 5 B 7 8
4 5 B 7 8 9
5 B 7 8 9 10
CORRECT ANSWER
6
EDDIE SAYS
1 + 5 = 6
2 + 4 = 6
3 + 3 = 6
4 + 2 = 6
5 + 1 = 6
  • Question 3

Complete the grid below to find the value of C.

 

+ 1 2 3 4 5
1 2 3 4 C 6
2 3 4 C 6 7
3 4 C 6 7 8
4 C 6 7 8 9
5 6 7 8 9 10
CORRECT ANSWER
5
EDDIE SAYS
1 + 4 = 5
2 + 3 = 5
3 + 2 = 5
4 + 1 = 5
  • Question 4

Complete the grid below to find the value of D.

 

+ 1 2 3 4 5
1 2 3 4 5 6
2 3 4 5 6 7
3 4 5 6 7 D
4 5 6 7 D 9
5 6 7 D 9 10
CORRECT ANSWER
8
EDDIE SAYS
3 + 5 = 8
4 + 4 = 8
5 + 3 = 8
  • Question 5

Complete the grid below to find the value of E.

 

+ 1 2 3 4 5
1 2 3 E 5 6
2 3 E 5 6 7
3 E 5 6 7 8
4 5 6 7 8 9
5 6 7 8 9 10
CORRECT ANSWER
4
EDDIE SAYS
1 + 3 = 4
2 + 2 = 4
3 + 1 = 4
  • Question 6

Complete the grid below to find the value of A.

 

+ 1 2 3 4 5
1 2 3 4 5 6
5 6 A 8 9 10
3 4 5 6 7 8
4 5 6 7 8 9
2 3 4 5 6 7
CORRECT ANSWER
7
EDDIE SAYS
5 + 2 = 7
  • Question 7

Complete the grid below to find the value of A.

 

+ 2 1 3 4 5
1 3 2 4 5 6
5 7 A 8 9 10
3 5 4 6 7 8
4 6 5 7 8 9
2 4 3 5 6 7
CORRECT ANSWER
6
EDDIE SAYS
5 + 1 = 6
  • Question 8

Complete the grid below to find the value of A.

 

+ 2 1 3 4 5
1 3 2 4 5 6
5 7 6 A 9 10
3 5 4 6 7 A
4 6 5 7 A 9
2 4 3 5 6 7
CORRECT ANSWER
8
EDDIE SAYS
5 + 3 = 8
3 + 5 = 8
4 + 4 = 8
  • Question 9

Complete the grid below to find the value of B.

 

+ 2 4 3 1 5
5 B 9 8 6 10
1 3 5 4 2 6
3 5 B 6 4 8
4 6 8 B 5 9
2 4 6 5 3 B
CORRECT ANSWER
7
EDDIE SAYS
5 + 2 = 7
3 + 4 = 7
4 + 3 = 7
2 + 5 = 7
  • Question 10

Which letter stands for the number 10?

 

+ 1 2 3 4 5
5 7 9 8 6 A
1 3 5 4 2 6
3 5 B 6 4 C
4 6 D 7 5 9
2 4 6 5 3 E
CORRECT ANSWER
A
EDDIE SAYS
5 + 5 = 10
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