Missing Number Subtraction Worksheets — Grade 1
Missing-number subtraction asks children to find the number that completes a subtraction sentence, like 10 − ___ = 6. These free Grade 1 worksheets build strong number sense and show how addition and subtraction are linked.
Create your Subtraction worksheet
Choose the options below and click 🔄 Regenerate for a brand-new set of problems — as many fresh worksheets as you like, no page reload. Then download the PDF or print it — with an answer key included.
Solving for the missing number makes children think about part-whole relationships, not just compute. Generate unlimited problems, download the PDF with its key, and print for engaging practice.
Example missing number subtraction problems
Here are a few sample problems like the ones this worksheet generates (with answers). Click Regenerate above for a brand-new set every time.
- 8 − ___ = 5 (___ = 3)
- 4 − ___ = 3 (___ = 1)
- 8 − ___ = 1 (___ = 7)
- 4 − ___ = 3 (___ = 1)
- 6 − ___ = 5 (___ = 1)
- 8 − ___ = 7 (___ = 1)
- 2 − ___ = 1 (___ = 1)
- 2 − ___ = 1 (___ = 1)
- 3 − ___ = 1 (___ = 2)
- 7 − ___ = 6 (___ = 1)
How to use these worksheets
- Pre-set to "Find the missing number" — click Regenerate for more.
- Ask: what was taken away to get this answer?
- Encourage counting up or using known facts.
- Download and print the PDF with answer key.
Frequently asked questions
What is a missing-number problem?
A subtraction sentence with a blank to fill, such as 9 − ___ = 4.
Why practise these?
They build number sense and show the link between addition and subtraction.
Free to print?
Yes — free, unlimited, no sign-up.