πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
13 + ? = 4
Answer: ______________
22 + ? = 4
Answer: ______________
34 − ? = 1
Answer: ______________
4? − 4 = 4
Answer: ______________
52 + ? = 6
Answer: ______________
6? − 4 = 5
Answer: ______________
710 − 8 = ? Think addition: 8 + ? = 10
Answer: ______________
85 − 3 = ? Think addition: 3 + ? = 5
Answer: ______________
94 − ? = 3
Answer: ______________
109 − 7 = ? Think addition: 7 + ? = 9
Answer: ______________
11? + 4 = 5
Answer: ______________
129 − 2 = ? Think addition: 2 + ? = 9
Answer: ______________
Answer key: Missing numbers
- 1. 1
- 2. 2
- 3. 3
- 4. 8
- 5. 4
- 6. 9
- 7. 2
- 8. 2
- 9. 1
- 10. 2
- 11. 1
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number