πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 6 = 7
Answer: ______________
25 − ? = 4
Answer: ______________
39 − ? = 7
Answer: ______________
43 − ? = 1
Answer: ______________
53 + ? = 5
Answer: ______________
6? − 2 = 1
Answer: ______________
710 − ? = 1
Answer: ______________
85 + ? = 7
Answer: ______________
96 − 5 = ? Think addition: 5 + ? = 6
Answer: ______________
107 − 3 = ? Think addition: 3 + ? = 7
Answer: ______________
1110 − 4 = ? Think addition: 4 + ? = 10
Answer: ______________
122 + ? = 5
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 1
- 3. 2
- 4. 2
- 5. 2
- 6. 3
- 7. 9
- 8. 2
- 9. 1
- 10. 4
- 11. 6
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number