πagarwalmath · 1st grade · Common Core 1.OA.D.8
❓ Missing numbers
Find the unknown in any position (8 + ? = 11)
Name: ______________________Date: ____________
16 − 3 = ? Think addition: 3 + ? = 6
Answer: ______________
24 − 1 = ? Think addition: 1 + ? = 4
Answer: ______________
3? − 3 = 4
Answer: ______________
45 − ? = 4
Answer: ______________
52 + ? = 4
Answer: ______________
610 − 2 = ? Think addition: 2 + ? = 10
Answer: ______________
73 − ? = 2
Answer: ______________
84 − 2 = ? Think addition: 2 + ? = 4
Answer: ______________
96 − ? = 5
Answer: ______________
10? − 6 = 2
Answer: ______________
112 + ? = 5
Answer: ______________
125 + ? = 6
Answer: ______________
Answer key: Missing numbers
- 1. 3
- 2. 3
- 3. 7
- 4. 1
- 5. 2
- 6. 8
- 7. 1
- 8. 2
- 9. 1
- 10. 8
- 11. 3
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-missing-number