Missing Number Worksheets
Find the number that makes each equation true. Missing-number problems build early algebra thinking long before kids see an x.
- Free, no sign-up
- No AI — answers are calculated, not guessed
- Made in your browser, nothing uploaded
Example worksheets
Made with this tool — click any example to see it full size.
Best for: Grades 1–3
Why missing numbers matter
They show that the equals sign means “the same as”, not “write the answer here”, which is one of the most important ideas in early math.
Make it a timed challenge
Put a visual classroom timer on the board and see how many problems students can finish before the time runs out. Print a new version tomorrow and try to beat the score.
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Frequently asked questions
Can I use bigger numbers?
Yes, raise the maximum to 100 or more for older students.
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