πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 5
Answer: ______________
21 + ? = 3
Answer: ______________
32 + ? = 3
Answer: ______________
41 + ? = 8
Answer: ______________
54 + ? = 5
Answer: ______________
62 + ? = 5
Answer: ______________
73 + ? = 6
Answer: ______________
85 + ? = 8
Answer: ______________
92 + ? = 7
Answer: ______________
107 + ? = 8
Answer: ______________
117 + ? = 9
Answer: ______________
122 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 2
- 3. 1
- 4. 7
- 5. 1
- 6. 3
- 7. 3
- 8. 3
- 9. 5
- 10. 1
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number