πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 6
Answer: ______________
23 − 1 = ? Think addition: 1 + ? = 3
Answer: ______________
32 + ? = 10
Answer: ______________
47 − 5 = ? Think addition: 5 + ? = 7
Answer: ______________
54 − ? = 3
Answer: ______________
6? − 6 = 4
Answer: ______________
76 + ? = 8
Answer: ______________
8? − 1 = 9
Answer: ______________
9? − 1 = 2
Answer: ______________
10? + 6 = 9
Answer: ______________
11? − 7 = 1
Answer: ______________
126 + ? = 9
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 2
- 3. 8
- 4. 2
- 5. 1
- 6. 10
- 7. 2
- 8. 10
- 9. 3
- 10. 3
- 11. 8
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number