πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
12 + ? = 4
Answer: ______________
23 + ? = 10
Answer: ______________
36 + ? = 10
Answer: ______________
46 + ? = 8
Answer: ______________
53 + ? = 6
Answer: ______________
61 + ? = 7
Answer: ______________
72 + ? = 3
Answer: ______________
86 + ? = 7
Answer: ______________
91 + ? = 3
Answer: ______________
104 + ? = 9
Answer: ______________
119 + ? = 10
Answer: ______________
121 + ? = 4
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 7
- 3. 4
- 4. 2
- 5. 3
- 6. 6
- 7. 1
- 8. 1
- 9. 2
- 10. 5
- 11. 1
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number