πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 4 = 7
Answer: ______________
2? + 6 = 7
Answer: ______________
39 − 6 = ? Think addition: 6 + ? = 9
Answer: ______________
4? + 5 = 7
Answer: ______________
5? − 3 = 4
Answer: ______________
69 − ? = 5
Answer: ______________
71 + ? = 3
Answer: ______________
8? + 1 = 3
Answer: ______________
93 − 1 = ? Think addition: 1 + ? = 3
Answer: ______________
10? − 4 = 6
Answer: ______________
11? + 2 = 9
Answer: ______________
12? − 1 = 7
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 1
- 3. 3
- 4. 2
- 5. 7
- 6. 4
- 7. 2
- 8. 2
- 9. 2
- 10. 10
- 11. 7
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number