πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? − 1 = 3
Answer: ______________
26 − ? = 2
Answer: ______________
3? − 3 = 5
Answer: ______________
4? + 2 = 5
Answer: ______________
57 − 1 = ? Think addition: 1 + ? = 7
Answer: ______________
6? + 3 = 5
Answer: ______________
7? + 8 = 10
Answer: ______________
8? + 4 = 6
Answer: ______________
97 − 4 = ? Think addition: 4 + ? = 7
Answer: ______________
102 + ? = 5
Answer: ______________
11? + 2 = 3
Answer: ______________
126 − 1 = ? Think addition: 1 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 4
- 3. 8
- 4. 3
- 5. 6
- 6. 2
- 7. 2
- 8. 2
- 9. 3
- 10. 3
- 11. 1
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number