πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
16 + ? = 9
Answer: ______________
29 − 6 = ? Think addition: 6 + ? = 9
Answer: ______________
33 − ? = 2
Answer: ______________
4? − 3 = 4
Answer: ______________
57 − ? = 4
Answer: ______________
68 − 2 = ? Think addition: 2 + ? = 8
Answer: ______________
78 − 4 = ? Think addition: 4 + ? = 8
Answer: ______________
85 − 4 = ? Think addition: 4 + ? = 5
Answer: ______________
9? + 5 = 9
Answer: ______________
108 − ? = 5
Answer: ______________
119 − ? = 8
Answer: ______________
124 + ? = 7
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 3
- 3. 1
- 4. 7
- 5. 3
- 6. 6
- 7. 4
- 8. 1
- 9. 4
- 10. 3
- 11. 1
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number