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: ______________
36 + ? = 10
Answer: ______________
42 + ? = 7
Answer: ______________
52 + ? = 5
Answer: ______________
67 + ? = 8
Answer: ______________
79 + ? = 10
Answer: ______________
81 + ? = 5
Answer: ______________
93 + ? = 8
Answer: ______________
104 + ? = 8
Answer: ______________
111 + ? = 3
Answer: ______________
127 + ? = 10
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 2
- 3. 4
- 4. 5
- 5. 3
- 6. 1
- 7. 1
- 8. 4
- 9. 5
- 10. 4
- 11. 2
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number