This worksheet is about finding the missing number in adding sums.
Example
Find out the value of the missing number.
| 35 | + | = | 49 |
Answer
We need to work out 49 - 35.
We can start at 35 and count on 14 to get to 49
The answer is 14
In this worksheet, students use addition or subtraction to find the missing number.
Key stage: KS 1
Curriculum topic: Number: Addition and Subtraction
Curriculum subtopic: Understand Relationship Between Addition and Subtraction
Difficulty level: 
