πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 5
Answer: ______________
22 + ? = 4
Answer: ______________
31 + ? = 3
Answer: ______________
41 + ? = 5
Answer: ______________
52 + ? = 8
Answer: ______________
62 + ? = 6
Answer: ______________
71 + ? = 8
Answer: ______________
84 + ? = 5
Answer: ______________
93 + ? = 7
Answer: ______________
102 + ? = 7
Answer: ______________
113 + ? = 8
Answer: ______________
123 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 2
- 3. 2
- 4. 4
- 5. 6
- 6. 4
- 7. 7
- 8. 1
- 9. 4
- 10. 5
- 11. 5
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number