Addition Within 20
Grade 1 math worksheet: Addition within 20 — 12 problems. No answer key — none needed for this sheet. Help your 1st grader build addition fluency with 12 friendly practice problems adding numbers within 20. Free printable PDF
12 problems · Difficulty: easy
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📝 No answer key included · ✅ Free for home & classroom use
Preview
The free PDF includes all 2 pages.
Highlights
- Grade
- Grade 1
- Subject
- Math
- Topic
- Addition within 20
- Pages
- 2 · worksheet
- Answer key
- None — no key needed
- Quality
- ✓ Verified
- Class time
- about 15 min
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 sections. The free PDF includes all 12 sections.
Grade 1 math worksheet: Addition within 20. 2 pages, 12 problems. No answer key — none needed for this sheet. Free printable PDF.
What’s included
- 12 problems across 2 pages
- Suggested use: morning work, classwork, homework, math centers, or sub plans
Answer keys
No answer key — none needed for this sheet.
Format
PDF, print-and-go.
Classroom use
One license per teacher: print as many copies as you need for your own students and share through your class platform. Please don’t post the files publicly. License details.
Quick answers
What does this worksheet cover?
Grade 1 Math — Addition within 20.
How many problems are included?
12 problems.
Does it include an answer key?
No — no answer key is needed for this sheet.
Is this worksheet free?
Yes — it is a free printable PDF. Download it from the button above.
What format is the worksheet?
A printable PDF, 2 pages.
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