πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 5
Answer: ______________
26 + ? = 7
Answer: ______________
3? − 5 = 1
Answer: ______________
42 + ? = 5
Answer: ______________
59 − 2 = ? Think addition: 2 + ? = 9
Answer: ______________
6? − 2 = 2
Answer: ______________
77 − ? = 1
Answer: ______________
89 − ? = 7
Answer: ______________
92 + ? = 10
Answer: ______________
10? + 3 = 6
Answer: ______________
116 − 2 = ? Think addition: 2 + ? = 6
Answer: ______________
12? − 2 = 6
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 1
- 3. 6
- 4. 3
- 5. 7
- 6. 4
- 7. 6
- 8. 2
- 9. 8
- 10. 3
- 11. 4
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number