πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
14 + ? = 10
Answer: ______________
26 − 4 = ? Think addition: 4 + ? = 6
Answer: ______________
33 + ? = 4
Answer: ______________
44 − 2 = ? Think addition: 2 + ? = 4
Answer: ______________
510 − 1 = ? Think addition: 1 + ? = 10
Answer: ______________
62 + ? = 5
Answer: ______________
76 − 2 = ? Think addition: 2 + ? = 6
Answer: ______________
89 − ? = 5
Answer: ______________
93 − ? = 1
Answer: ______________
10? − 7 = 3
Answer: ______________
114 + ? = 9
Answer: ______________
12? − 2 = 1
Answer: ______________
Answer key: Missing numbers
- 1. 6
- 2. 2
- 3. 1
- 4. 2
- 5. 9
- 6. 3
- 7. 4
- 8. 4
- 9. 2
- 10. 10
- 11. 5
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number