Free Printable Addition Worksheet
Twenty addition problems within 20 with big, clear numbers, plus an answer key. Made for kindergarten to 2nd grade.
Download (PDF, 2 pages)
Pick your paper size. Page 1 is the worksheet and page 2 is the answer key.
Free for home and classroom use. Please link to this page rather than re-uploading the file.
Tips
- Teach “make a ten”: for 8 + 5, move 2 from the 5 to make 10, then add the 3 that are left.
- Use counters or fingers for the first few problems, then try them without.
- Time it once a week and celebrate the improvement, not the speed.
FAQ
What age is it for?
Kindergarten to 2nd grade, roughly ages 5–8.
Is there an answer key?
Yes, it's on page 2.
Are there more?
The full pack has 44 worksheets, from adding within 10 to 2-digit regrouping.
Which paper size should I print?
US Letter (8.5 × 11 in) for the US and Canada, A4 for most other countries. Print at 100% / Actual size.
More free worksheets
Kids worksheets · ages 5–8
Addition & Subtraction Worksheets
44 worksheets from adding within 10 to 2-digit regrouping, all with answer keys. Ages 5–8, US Letter & A4.