πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
19 + ? = 10
Answer: ______________
23 + ? = 9
Answer: ______________
32 + ? = 3
Answer: ______________
44 + ? = 5
Answer: ______________
53 + ? = 7
Answer: ______________
61 + ? = 10
Answer: ______________
78 + ? = 10
Answer: ______________
84 + ? = 6
Answer: ______________
92 + ? = 5
Answer: ______________
103 + ? = 8
Answer: ______________
111 + ? = 5
Answer: ______________
122 + ? = 7
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 6
- 3. 1
- 4. 1
- 5. 4
- 6. 9
- 7. 2
- 8. 2
- 9. 3
- 10. 5
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number