πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 + ? = 5
Answer: ______________
21 + ? = 5
Answer: ______________
32 + ? = 7
Answer: ______________
43 + ? = 10
Answer: ______________
53 + ? = 6
Answer: ______________
65 + ? = 10
Answer: ______________
78 + ? = 10
Answer: ______________
87 + ? = 8
Answer: ______________
92 + ? = 4
Answer: ______________
104 + ? = 10
Answer: ______________
113 + ? = 5
Answer: ______________
123 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 4
- 3. 5
- 4. 7
- 5. 3
- 6. 5
- 7. 2
- 8. 1
- 9. 2
- 10. 6
- 11. 2
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number