Subtraction Tables to 20
A free printable subtraction tables to 20 worksheet with an answer key. In each column, minuend - subtrahend = difference. Fill in the empty boxes. Perfect for 1st grade practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 1
- License
- Free for personal & classroom use
About this worksheet
A free printable subtraction tables to 20 worksheet with an answer key. In each column, minuend - subtrahend = difference. Fill in the empty boxes. First graders can do it on their own once they know the strategy at the top of the page. Check each column with the opposite operation.
Tips for using it
- Check each answer by adding it back to the number taken away.
- Count back on your fingers or the number line for the hardest facts.
- Read the rule out loud before filling in a table.
- Read the rule out loud before starting: plus 4, times 3.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
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