πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
1? + 7 = 10
Answer: ______________
24 − 3 = ? Think addition: 3 + ? = 4
Answer: ______________
3? − 6 = 3
Answer: ______________
49 − 3 = ? Think addition: 3 + ? = 9
Answer: ______________
52 + ? = 4
Answer: ______________
6? + 3 = 6
Answer: ______________
78 − 4 = ? Think addition: 4 + ? = 8
Answer: ______________
88 − 6 = ? Think addition: 6 + ? = 8
Answer: ______________
9? + 4 = 7
Answer: ______________
104 − 1 = ? Think addition: 1 + ? = 4
Answer: ______________
115 − 1 = ? Think addition: 1 + ? = 5
Answer: ______________
12? + 5 = 9
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 1
- 3. 9
- 4. 6
- 5. 2
- 6. 3
- 7. 4
- 8. 2
- 9. 3
- 10. 3
- 11. 4
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number