Addition Within 20
Help your 1st grader build addition fluency with 12 friendly practice problems adding numbers within 20. Free printable PDF with a complete answer key.
12 problems · Standards: 1.OA.C.6 · Difficulty: easy
✅ Answer key included · ✅ Free for home & classroom use
What's inside
- 1. 2 + 1 = _____
- 2. 3 + 2 = _____
- 3. 4 + 3 = _____
- 4. 5 + 4 = _____
- 5. 6 + 5 = _____
- 6. 7 + 3 = _____
Showing 6 of 12 problems. The free PDF includes every problem plus the full answer key.
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