πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
16 + ? = 9
Answer: ______________
25 + ? = 9
Answer: ______________
32 + ? = 3
Answer: ______________
42 + ? = 5
Answer: ______________
53 + ? = 8
Answer: ______________
63 + ? = 10
Answer: ______________
71 + ? = 3
Answer: ______________
87 + ? = 10
Answer: ______________
99 + ? = 10
Answer: ______________
103 + ? = 5
Answer: ______________
111 + ? = 9
Answer: ______________
122 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 4
- 3. 1
- 4. 3
- 5. 5
- 6. 7
- 7. 2
- 8. 3
- 9. 1
- 10. 2
- 11. 8
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number