How it works
- Change the settings if you like: the sheet changes as you click.
- Print the worksheet, or press Solve on screen to type the answers.
- Check with the answer key, then press New sheet for twenty new sums.
What children practice within 20
Within 20 come the sums that cross ten, like 8 + 5: make ten first (8 + 2), then add the rest (3).
Questions and answers
Can some problems have a missing number?
Yes. Under More options choose Missing number or Mixed, and some problems become 3 + __ = 7.
How do I get the answers?
They print on a second page. You can also press Show answers to see them on screen.
More worksheets
Worksheets are made in your browser. Nothing you type is sent to our servers.
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