πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
19 − ? = 6
Answer: ______________
2? + 1 = 4
Answer: ______________
310 − 4 = ? Think addition: 4 + ? = 10
Answer: ______________
4? + 1 = 7
Answer: ______________
5? − 2 = 5
Answer: ______________
68 − ? = 3
Answer: ______________
7? + 2 = 3
Answer: ______________
86 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
93 − ? = 1
Answer: ______________
107 − 4 = ? Think addition: 4 + ? = 7
Answer: ______________
11? + 2 = 4
Answer: ______________
123 + ? = 9
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 3
- 3. 6
- 4. 6
- 5. 7
- 6. 5
- 7. 1
- 8. 3
- 9. 2
- 10. 3
- 11. 2
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number