πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 3
Answer: ______________
2? − 1 = 2
Answer: ______________
38 − 2 = ? Think addition: 2 + ? = 8
Answer: ______________
44 − 1 = ? Think addition: 1 + ? = 4
Answer: ______________
5? + 6 = 9
Answer: ______________
6? − 2 = 7
Answer: ______________
7? − 7 = 3
Answer: ______________
8? − 1 = 7
Answer: ______________
95 − 4 = ? Think addition: 4 + ? = 5
Answer: ______________
10? + 1 = 3
Answer: ______________
116 + ? = 7
Answer: ______________
12? + 2 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 3
- 3. 6
- 4. 3
- 5. 3
- 6. 9
- 7. 10
- 8. 8
- 9. 1
- 10. 2
- 11. 1
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number