πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 5
Answer: ______________
21 + ? = 3
Answer: ______________
37 + ? = 10
Answer: ______________
42 + ? = 7
Answer: ______________
55 + ? = 10
Answer: ______________
62 + ? = 10
Answer: ______________
72 + ? = 3
Answer: ______________
85 + ? = 9
Answer: ______________
93 + ? = 8
Answer: ______________
104 + ? = 5
Answer: ______________
112 + ? = 4
Answer: ______________
124 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 2
- 3. 3
- 4. 5
- 5. 5
- 6. 8
- 7. 1
- 8. 4
- 9. 5
- 10. 1
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number