πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 10
Answer: ______________
26 + ? = 9
Answer: ______________
37 + ? = 8
Answer: ______________
42 + ? = 4
Answer: ______________
52 + ? = 8
Answer: ______________
61 + ? = 3
Answer: ______________
73 + ? = 6
Answer: ______________
83 + ? = 8
Answer: ______________
96 + ? = 8
Answer: ______________
102 + ? = 7
Answer: ______________
111 + ? = 7
Answer: ______________
123 + ? = 10
Answer: ______________
Answer key: Missing numbers
- 1. 9
- 2. 3
- 3. 1
- 4. 2
- 5. 6
- 6. 2
- 7. 3
- 8. 5
- 9. 2
- 10. 5
- 11. 6
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number