πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 6 = 10
Answer: ______________
2? + 3 = 9
Answer: ______________
33 + ? = 7
Answer: ______________
410 − 1 = ? Think addition: 1 + ? = 10
Answer: ______________
5? − 6 = 1
Answer: ______________
62 + ? = 6
Answer: ______________
73 + ? = 9
Answer: ______________
85 − ? = 3
Answer: ______________
94 − 3 = ? Think addition: 3 + ? = 4
Answer: ______________
10? − 2 = 3
Answer: ______________
111 + ? = 3
Answer: ______________
127 − ? = 5
Answer: ______________
Answer key: Missing numbers
- 1. 4
- 2. 6
- 3. 4
- 4. 9
- 5. 7
- 6. 4
- 7. 6
- 8. 2
- 9. 1
- 10. 5
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number