πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
110 − ? = 4
Answer: ______________
26 − 5 = ? Think addition: 5 + ? = 6
Answer: ______________
34 + ? = 5
Answer: ______________
4? − 6 = 1
Answer: ______________
59 − ? = 3
Answer: ______________
65 + ? = 7
Answer: ______________
7? − 2 = 7
Answer: ______________
8? − 5 = 1
Answer: ______________
97 − ? = 3
Answer: ______________
1010 − ? = 2
Answer: ______________
11? + 4 = 6
Answer: ______________
121 + ? = 5
Answer: ______________
Answer key: Missing numbers
- 1. 6
- 2. 1
- 3. 1
- 4. 7
- 5. 6
- 6. 2
- 7. 9
- 8. 6
- 9. 4
- 10. 8
- 11. 2
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number