πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 5 = 9
Answer: ______________
26 + ? = 8
Answer: ______________
37 − ? = 4
Answer: ______________
45 − 3 = ? Think addition: 3 + ? = 5
Answer: ______________
55 + ? = 8
Answer: ______________
63 + ? = 5
Answer: ______________
7? + 5 = 10
Answer: ______________
89 − ? = 3
Answer: ______________
9? − 6 = 4
Answer: ______________
10? + 2 = 4
Answer: ______________
11? − 2 = 2
Answer: ______________
127 − ? = 2
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 2
- 3. 3
- 4. 2
- 5. 3
- 6. 2
- 7. 5
- 8. 6
- 9. 10
- 10. 2
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number