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 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
35 − ? = 2
Answer: ______________
4? − 4 = 3
Answer: ______________
52 + ? = 3
Answer: ______________
63 + ? = 4
Answer: ______________
75 − ? = 3
Answer: ______________
8? + 1 = 3
Answer: ______________
93 − 1 = ? Think addition: 1 + ? = 3
Answer: ______________
107 − 1 = ? Think addition: 1 + ? = 7
Answer: ______________
11? + 5 = 9
Answer: ______________
12? + 3 = 6
Answer: ______________
Answer key: Missing numbers
- 1. 2
- 2. 3
- 3. 3
- 4. 7
- 5. 1
- 6. 1
- 7. 2
- 8. 2
- 9. 2
- 10. 6
- 11. 4
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number