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Add Two Two-Digit Numbers (2)

In this worksheet, students add together two-digit numbers by adding the units, then adding the tens and combining the results.

'Add Two Two-Digit Numbers (2)' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Addition and Subtraction

Curriculum subtopic:  Use Written Addition/Subtraction to Three Digits

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

In this worksheet you have to add together two two-digit numbers.

 

Example

Add the numbers:

28 + 57

 

Answer

First we add the units 8 + 7 = 15

Then we add the tens, 20 + 50 = 70

Then we combine the two results to get 15 70 = 85

The answer is 85

Add the numbers:

 

54 + 51

Add the numbers:

 

56 + 21

Add the numbers:

 

64 + 23

Add the numbers:

 

37 + 22

Add the numbers:

 

54 + 35

Add the numbers:

 

24 + 71

Add the numbers:

 

54 + 26

Add the numbers:

 

28 + 53

Add the numbers:

 

54 + 19

Add the numbers:

 

64 + 58

  • Question 1

Add the numbers:

 

54 + 51

CORRECT ANSWER
105
EDDIE SAYS
Add the units to get: 4 + 1 = 5
Then add the tens to get: 50 + 50 = 100
Then combine the two results to get: 5 + 100 = 105
  • Question 2

Add the numbers:

 

56 + 21

CORRECT ANSWER
77
EDDIE SAYS
Add the units to get: 6 + 1 = 7
Then add the tens to get: 50 + 20 = 70
Then combine the two results to get: 7 + 70 = 77
  • Question 3

Add the numbers:

 

64 + 23

CORRECT ANSWER
87
EDDIE SAYS
Add the units to get: 4 + 3 = 7
Then add the tens to get: 60 + 20 = 80
Then combine the two results to get: 7 + 80 = 87
  • Question 4

Add the numbers:

 

37 + 22

CORRECT ANSWER
59
EDDIE SAYS
Add the units to get: 7 + 2 = 9
Then add the tens to get: 30 + 20 = 50
Then combine the two results to get: 9 + 50 = 59
  • Question 5

Add the numbers:

 

54 + 35

CORRECT ANSWER
89
EDDIE SAYS
Add the units to get: 4 + 5 = 9
Then add the tens to get: 50 + 30 = 80
Then combine the two results to get: 9 + 80 = 89
  • Question 6

Add the numbers:

 

24 + 71

CORRECT ANSWER
95
EDDIE SAYS
Add the units to get: 4 + 1 = 5
Then add the tens to get: 20 + 70 = 90
Then combine the two results to get: 5 + 90 = 95
  • Question 7

Add the numbers:

 

54 + 26

CORRECT ANSWER
80
EDDIE SAYS
Add the units to get: 4 + 6 = 10
Then add the tens to get: 50 + 20 = 70
Then combine the two results to get: 10 + 70 = 80
  • Question 8

Add the numbers:

 

28 + 53

CORRECT ANSWER
81
EDDIE SAYS
Add the units to get: 8 + 3 = 11
Then add the tens to get: 20 + 50 = 70
Then combine the two results to get: 11 + 70 = 81
  • Question 9

Add the numbers:

 

54 + 19

CORRECT ANSWER
73
EDDIE SAYS
Add the units to get: 4 + 9 = 13
Then add the tens to get: 50 + 10 = 60
Then combine the two results to get: 13 + 60 = 73
  • Question 10

Add the numbers:

 

64 + 58

CORRECT ANSWER
122
EDDIE SAYS
Add the units to get: 4 + 8 = 12
Then add the tens to get: 60 + 50 = 110
Then combine the two results to get: 12 + 110 = 122
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