πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 10
Answer: ______________
21 + ? = 5
Answer: ______________
32 + ? = 8
Answer: ______________
47 + ? = 8
Answer: ______________
54 + ? = 7
Answer: ______________
66 + ? = 7
Answer: ______________
72 + ? = 3
Answer: ______________
81 + ? = 7
Answer: ______________
93 + ? = 4
Answer: ______________
108 + ? = 10
Answer: ______________
117 + ? = 10
Answer: ______________
121 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 9
- 2. 4
- 3. 6
- 4. 1
- 5. 3
- 6. 1
- 7. 1
- 8. 6
- 9. 1
- 10. 2
- 11. 3
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number