πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 5
Answer: ______________
29 − 8 = ? Think addition: 8 + ? = 9
Answer: ______________
3? − 4 = 5
Answer: ______________
4? + 6 = 8
Answer: ______________
5? − 2 = 5
Answer: ______________
61 + ? = 6
Answer: ______________
74 − ? = 3
Answer: ______________
8? + 1 = 4
Answer: ______________
96 − ? = 2
Answer: ______________
109 − ? = 2
Answer: ______________
119 − 3 = ? Think addition: 3 + ? = 9
Answer: ______________
123 − 2 = ? Think addition: 2 + ? = 3
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 1
- 3. 9
- 4. 2
- 5. 7
- 6. 5
- 7. 1
- 8. 3
- 9. 4
- 10. 7
- 11. 6
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number