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: ______________
26 − ? = 2
Answer: ______________
37 − 4 = ? Think addition: 4 + ? = 7
Answer: ______________
49 − ? = 7
Answer: ______________
57 − ? = 1
Answer: ______________
610 − 1 = ? Think addition: 1 + ? = 10
Answer: ______________
73 + ? = 4
Answer: ______________
89 − ? = 3
Answer: ______________
94 − ? = 2
Answer: ______________
10? + 2 = 6
Answer: ______________
11? − 2 = 3
Answer: ______________
129 − ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 4
- 3. 3
- 4. 2
- 5. 6
- 6. 9
- 7. 1
- 8. 6
- 9. 2
- 10. 4
- 11. 5
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number