πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 5
Answer: ______________
23 + ? = 9
Answer: ______________
34 + ? = 7
Answer: ______________
42 + ? = 4
Answer: ______________
57 + ? = 8
Answer: ______________
66 + ? = 7
Answer: ______________
72 + ? = 3
Answer: ______________
87 + ? = 9
Answer: ______________
91 + ? = 7
Answer: ______________
101 + ? = 4
Answer: ______________
111 + ? = 6
Answer: ______________
121 + ? = 3
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 6
- 3. 3
- 4. 2
- 5. 1
- 6. 1
- 7. 1
- 8. 2
- 9. 6
- 10. 3
- 11. 5
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number