Find the Missing Number
Practice finding unknowns in equations with 10 problems, an answer key, and a printable PDF for Grade 1.
10 problems · Standards: 1.OA.D.8 · Difficulty: medium
✅ Answer key included · ✅ Free for home & classroom use
Highlights
- Grade
- Grade 1
- Subject
- Math
- Pages
- 2 · worksheet + answer key
- Answer key
- ✅ Included
- Class time
- about 15 min
What's inside
- 1. 3 + 4 = ☐
- 2. 9 - 2 = ☐
- 3. ☐ + 5 = 11
- 4. 8 - ☐ = 3
- 5. ☐ + 7 = 15
- 6. 6 + ☐ = 14
Showing 6 of 10 problems. The free PDF includes every problem plus the full answer key.
Preview
The free PDF includes all 2 pages — every problem plus the full answer key.
What’s included
- 10 problems across 2 pages (worksheet + answer key)
- Answer key included — every answer, ready to check
- Standards: 1.OA.D.8
- Skill: Students solve addition and subtraction equations with an unknown in any position.
- Suggested use: morning work, classwork, homework, math centers, or sub plans
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