πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
19 − ? = 6
Answer: ______________
2? − 1 = 3
Answer: ______________
3? + 4 = 6
Answer: ______________
46 − ? = 4
Answer: ______________
5? − 4 = 4
Answer: ______________
69 − 2 = ? Think addition: 2 + ? = 9
Answer: ______________
710 − 6 = ? Think addition: 6 + ? = 10
Answer: ______________
81 + ? = 4
Answer: ______________
98 − ? = 4
Answer: ______________
103 + ? = 4
Answer: ______________
114 − 1 = ? Think addition: 1 + ? = 4
Answer: ______________
12? + 2 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 4
- 3. 2
- 4. 2
- 5. 8
- 6. 7
- 7. 4
- 8. 3
- 9. 4
- 10. 1
- 11. 3
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number