πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
110 − ? = 2
Answer: ______________
22 + ? = 3
Answer: ______________
3? − 6 = 2
Answer: ______________
48 − ? = 4
Answer: ______________
57 − 4 = ? Think addition: 4 + ? = 7
Answer: ______________
61 + ? = 3
Answer: ______________
77 − 6 = ? Think addition: 6 + ? = 7
Answer: ______________
810 − ? = 4
Answer: ______________
93 + ? = 6
Answer: ______________
103 − 2 = ? Think addition: 2 + ? = 3
Answer: ______________
1110 − 5 = ? Think addition: 5 + ? = 10
Answer: ______________
12? − 2 = 3
Answer: ______________
Answer key: Missing numbers
- 1. 8
- 2. 1
- 3. 8
- 4. 4
- 5. 3
- 6. 2
- 7. 1
- 8. 6
- 9. 3
- 10. 1
- 11. 5
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number