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Updated: September 2026
Fun and simple addition worksheet featuring 30 vertical problems within 20 — designed for early learners building basic addition fluency.
This printable worksheet helps students practice addition within 20 without regrouping. The clear vertical layout makes it perfect for early learners building confidence with basic math facts.
Use this worksheet as morning work, homework, math centers, or quick practice activities. The included answer key helps with fast checking or independent review.
Mastering addition within 20 is a critical step before students move on to larger numbers and regrouping. Consistent practice builds automatic recall — an essential skill for future math success.
Download the free PDF, print, and help students strengthen their math fluency!
Create unlimited variations using our online generator — perfect for ongoing practice!
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Interactive worksheets can be customized before downloading.