πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 6
Answer: ______________
29 + ? = 10
Answer: ______________
36 + ? = 10
Answer: ______________
48 + ? = 9
Answer: ______________
52 + ? = 3
Answer: ______________
65 + ? = 7
Answer: ______________
71 + ? = 7
Answer: ______________
84 + ? = 9
Answer: ______________
92 + ? = 10
Answer: ______________
101 + ? = 3
Answer: ______________
111 + ? = 10
Answer: ______________
123 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 1
- 3. 4
- 4. 1
- 5. 1
- 6. 2
- 7. 6
- 8. 5
- 9. 8
- 10. 2
- 11. 9
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number