πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
11 + ? = 8
Answer: ______________
24 − ? = 3
Answer: ______________
3? + 4 = 6
Answer: ______________
4? − 5 = 1
Answer: ______________
55 − 2 = ? Think addition: 2 + ? = 5
Answer: ______________
610 − 6 = ? Think addition: 6 + ? = 10
Answer: ______________
76 + ? = 8
Answer: ______________
86 − 1 = ? Think addition: 1 + ? = 6
Answer: ______________
99 − ? = 8
Answer: ______________
10? + 4 = 8
Answer: ______________
118 − 5 = ? Think addition: 5 + ? = 8
Answer: ______________
12? + 3 = 5
Answer: ______________
Answer key: Missing numbers
- 1. 7
- 2. 1
- 3. 2
- 4. 6
- 5. 3
- 6. 4
- 7. 2
- 8. 5
- 9. 1
- 10. 4
- 11. 3
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number