πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? − 6 = 4
Answer: ______________
2? + 5 = 9
Answer: ______________
310 − ? = 6
Answer: ______________
4? − 1 = 5
Answer: ______________
59 − ? = 8
Answer: ______________
6? + 4 = 10
Answer: ______________
75 − ? = 2
Answer: ______________
810 − 4 = ? Think addition: 4 + ? = 10
Answer: ______________
99 − ? = 4
Answer: ______________
108 − ? = 7
Answer: ______________
117 − ? = 1
Answer: ______________
12? − 1 = 8
Answer: ______________
Answer key: Missing numbers
- 1. 10
- 2. 4
- 3. 4
- 4. 6
- 5. 1
- 6. 6
- 7. 3
- 8. 6
- 9. 5
- 10. 1
- 11. 6
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number