πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 6
Answer: ______________
29 − ? = 1
Answer: ______________
31 + ? = 3
Answer: ______________
43 + ? = 7
Answer: ______________
59 − 2 = ? Think addition: 2 + ? = 9
Answer: ______________
69 − 5 = ? Think addition: 5 + ? = 9
Answer: ______________
77 − 4 = ? Think addition: 4 + ? = 7
Answer: ______________
8? − 1 = 2
Answer: ______________
96 + ? = 7
Answer: ______________
106 − 4 = ? Think addition: 4 + ? = 6
Answer: ______________
11? + 2 = 5
Answer: ______________
12? − 2 = 1
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 8
- 3. 2
- 4. 4
- 5. 7
- 6. 4
- 7. 3
- 8. 3
- 9. 1
- 10. 2
- 11. 3
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number