πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 − 1 = ? Think addition: 1 + ? = 4
Answer: ______________
2? − 1 = 2
Answer: ______________
38 − ? = 3
Answer: ______________
4? − 2 = 1
Answer: ______________
59 − ? = 6
Answer: ______________
69 − ? = 4
Answer: ______________
7? + 1 = 5
Answer: ______________
8? − 1 = 5
Answer: ______________
95 − ? = 3
Answer: ______________
106 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
11? + 4 = 7
Answer: ______________
129 − 7 = ? Think addition: 7 + ? = 9
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 3
- 3. 5
- 4. 3
- 5. 3
- 6. 5
- 7. 4
- 8. 6
- 9. 2
- 10. 3
- 11. 3
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number