πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? − 1 = 4
Answer: ______________
26 + ? = 9
Answer: ______________
33 − 2 = ? Think addition: 2 + ? = 3
Answer: ______________
46 − 4 = ? Think addition: 4 + ? = 6
Answer: ______________
5? + 3 = 10
Answer: ______________
6? + 1 = 10
Answer: ______________
74 + ? = 6
Answer: ______________
82 + ? = 3
Answer: ______________
95 − 1 = ? Think addition: 1 + ? = 5
Answer: ______________
10? − 6 = 3
Answer: ______________
11? + 5 = 6
Answer: ______________
12? − 2 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 5
- 2. 3
- 3. 1
- 4. 2
- 5. 7
- 6. 9
- 7. 2
- 8. 1
- 9. 4
- 10. 9
- 11. 1
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number