πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
18 + ? = 9
Answer: ______________
25 + ? = 8
Answer: ______________
31 + ? = 3
Answer: ______________
42 + ? = 3
Answer: ______________
53 + ? = 5
Answer: ______________
64 + ? = 10
Answer: ______________
76 + ? = 7
Answer: ______________
81 + ? = 4
Answer: ______________
92 + ? = 5
Answer: ______________
104 + ? = 7
Answer: ______________
114 + ? = 5
Answer: ______________
123 + ? = 7
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 3
- 3. 2
- 4. 1
- 5. 2
- 6. 6
- 7. 1
- 8. 3
- 9. 3
- 10. 3
- 11. 1
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number