BACK TO WORKSHEETSWe can add and subtract to find missing numbers. Look at this problem.
| + | 2 | = | 5 |
We can find the missing number like this.
| 5 | - | 2 | = | 3 |
Start with the answer, 5.
Subtract 2.
5 - 2 = 3.
The missing number is 3.
Now check.
| 3 | + | 2 | = | 5 |
In this worksheet, students find missing numbers using addition, subtraction and number bond knowledge.
Key stage: KS 1
Year: Year 1 Maths worksheets
Curriculum topic: Number: Addition and Subtraction
Curriculum subtopic: Solve Add/Subtract Problems to 20
Difficulty level: 
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