πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
16 − ? = 1
Answer: ______________
2? − 3 = 1
Answer: ______________
3? + 3 = 4
Answer: ______________
46 − ? = 4
Answer: ______________
54 − ? = 2
Answer: ______________
65 + ? = 9
Answer: ______________
710 − ? = 3
Answer: ______________
86 − ? = 3
Answer: ______________
95 − 2 = ? Think addition: 2 + ? = 5
Answer: ______________
109 − 6 = ? Think addition: 6 + ? = 9
Answer: ______________
11? − 4 = 2
Answer: ______________
12? + 2 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 5
- 2. 4
- 3. 1
- 4. 2
- 5. 2
- 6. 4
- 7. 7
- 8. 3
- 9. 3
- 10. 3
- 11. 6
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number