πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 4
Answer: ______________
26 + ? = 9
Answer: ______________
31 + ? = 5
Answer: ______________
43 + ? = 7
Answer: ______________
53 + ? = 10
Answer: ______________
65 + ? = 7
Answer: ______________
77 + ? = 10
Answer: ______________
84 + ? = 7
Answer: ______________
92 + ? = 5
Answer: ______________
102 + ? = 9
Answer: ______________
111 + ? = 3
Answer: ______________
122 + ? = 3
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 3
- 3. 4
- 4. 4
- 5. 7
- 6. 2
- 7. 3
- 8. 3
- 9. 3
- 10. 7
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number