πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? − 6 = 3
Answer: ______________
2? + 1 = 4
Answer: ______________
38 + ? = 10
Answer: ______________
43 − ? = 2
Answer: ______________
58 − ? = 1
Answer: ______________
6? + 8 = 9
Answer: ______________
7? − 3 = 5
Answer: ______________
8? − 5 = 2
Answer: ______________
92 + ? = 6
Answer: ______________
10? + 1 = 3
Answer: ______________
11? + 3 = 10
Answer: ______________
12? − 2 = 2
Answer: ______________
Answer key: Missing numbers
- 1. 9
- 2. 3
- 3. 2
- 4. 1
- 5. 7
- 6. 1
- 7. 8
- 8. 7
- 9. 4
- 10. 2
- 11. 7
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number