πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 + ? = 10
Answer: ______________
22 + ? = 10
Answer: ______________
37 + ? = 8
Answer: ______________
43 + ? = 4
Answer: ______________
54 + ? = 5
Answer: ______________
67 + ? = 10
Answer: ______________
72 + ? = 4
Answer: ______________
86 + ? = 8
Answer: ______________
93 + ? = 9
Answer: ______________
103 + ? = 6
Answer: ______________
111 + ? = 6
Answer: ______________
123 + ? = 10
Answer: ______________
Answer key: Missing numbers
- 1. 6
- 2. 8
- 3. 1
- 4. 1
- 5. 1
- 6. 3
- 7. 2
- 8. 2
- 9. 6
- 10. 3
- 11. 5
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number