πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
12 + ? = 4
Answer: ______________
28 + ? = 10
Answer: ______________
31 + ? = 10
Answer: ______________
44 + ? = 6
Answer: ______________
55 + ? = 10
Answer: ______________
61 + ? = 5
Answer: ______________
74 + ? = 10
Answer: ______________
81 + ? = 4
Answer: ______________
92 + ? = 3
Answer: ______________
109 + ? = 10
Answer: ______________
115 + ? = 7
Answer: ______________
121 + ? = 7
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 2
- 3. 9
- 4. 2
- 5. 5
- 6. 4
- 7. 6
- 8. 3
- 9. 1
- 10. 1
- 11. 2
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number