πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
12 + ? = 3
Answer: ______________
26 − 1 = ? Think addition: 1 + ? = 6
Answer: ______________
37 − ? = 1
Answer: ______________
49 − ? = 5
Answer: ______________
5? − 1 = 7
Answer: ______________
6? + 7 = 9
Answer: ______________
73 − ? = 1
Answer: ______________
810 − 8 = ? Think addition: 8 + ? = 10
Answer: ______________
96 − 4 = ? Think addition: 4 + ? = 6
Answer: ______________
1010 − 6 = ? Think addition: 6 + ? = 10
Answer: ______________
11? − 6 = 3
Answer: ______________
125 − ? = 3
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 5
- 3. 6
- 4. 4
- 5. 8
- 6. 2
- 7. 2
- 8. 2
- 9. 2
- 10. 4
- 11. 9
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number