πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 10
Answer: ______________
23 + ? = 8
Answer: ______________
35 + ? = 6
Answer: ______________
41 + ? = 5
Answer: ______________
51 + ? = 3
Answer: ______________
65 + ? = 7
Answer: ______________
78 + ? = 10
Answer: ______________
81 + ? = 8
Answer: ______________
92 + ? = 3
Answer: ______________
103 + ? = 6
Answer: ______________
112 + ? = 8
Answer: ______________
124 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 9
- 2. 5
- 3. 1
- 4. 4
- 5. 2
- 6. 2
- 7. 2
- 8. 7
- 9. 1
- 10. 3
- 11. 6
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number