πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 4 = 6
Answer: ______________
210 − ? = 4
Answer: ______________
35 + ? = 7
Answer: ______________
4? − 2 = 7
Answer: ______________
59 − 3 = ? Think addition: 3 + ? = 9
Answer: ______________
62 + ? = 3
Answer: ______________
74 − 2 = ? Think addition: 2 + ? = 4
Answer: ______________
82 + ? = 6
Answer: ______________
9? − 3 = 7
Answer: ______________
103 − 2 = ? Think addition: 2 + ? = 3
Answer: ______________
11? + 2 = 3
Answer: ______________
12? + 1 = 10
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 6
- 3. 2
- 4. 9
- 5. 6
- 6. 1
- 7. 2
- 8. 4
- 9. 10
- 10. 1
- 11. 1
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number