πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 5
Answer: ______________
25 + ? = 9
Answer: ______________
36 + ? = 7
Answer: ______________
45 + ? = 7
Answer: ______________
55 + ? = 10
Answer: ______________
63 + ? = 4
Answer: ______________
72 + ? = 4
Answer: ______________
81 + ? = 5
Answer: ______________
95 + ? = 8
Answer: ______________
102 + ? = 5
Answer: ______________
112 + ? = 3
Answer: ______________
127 + ? = 8
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 4
- 3. 1
- 4. 2
- 5. 5
- 6. 1
- 7. 2
- 8. 4
- 9. 3
- 10. 3
- 11. 1
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number