πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 − 2 = ? Think addition: 2 + ? = 4
Answer: ______________
2? − 3 = 2
Answer: ______________
33 + ? = 5
Answer: ______________
42 + ? = 9
Answer: ______________
59 − 1 = ? Think addition: 1 + ? = 9
Answer: ______________
61 + ? = 3
Answer: ______________
7? + 2 = 3
Answer: ______________
89 − ? = 5
Answer: ______________
96 − ? = 1
Answer: ______________
102 + ? = 7
Answer: ______________
116 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
12? − 4 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 5
- 3. 2
- 4. 7
- 5. 8
- 6. 2
- 7. 1
- 8. 4
- 9. 5
- 10. 5
- 11. 3
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number