πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
15 + ? = 6
Answer: ______________
23 + ? = 5
Answer: ______________
35 + ? = 10
Answer: ______________
45 + ? = 7
Answer: ______________
53 + ? = 4
Answer: ______________
65 + ? = 8
Answer: ______________
72 + ? = 4
Answer: ______________
82 + ? = 7
Answer: ______________
95 + ? = 9
Answer: ______________
103 + ? = 9
Answer: ______________
114 + ? = 6
Answer: ______________
123 + ? = 7
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 2
- 3. 5
- 4. 2
- 5. 1
- 6. 3
- 7. 2
- 8. 5
- 9. 4
- 10. 6
- 11. 2
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number