πagarwalmath · 3rd grade · Common Core 3.NBT.A.2
🚀 3-digit addition
Add and subtract within 1000 fluently
Name: ______________________Date: ____________
1371 + 606 = ?
Answer: ______________
2115 + 801 = ?
Answer: ______________
3242 + 644 = ?
Answer: ______________
4522 + 317 = ?
Answer: ______________
5305 + 261 = ?
Answer: ______________
6125 + 753 = ?
Answer: ______________
7100 + 736 = ?
Answer: ______________
8144 + 402 = ?
Answer: ______________
9442 + 317 = ?
Answer: ______________
10100 + 249 = ?
Answer: ______________
11252 + 134 = ?
Answer: ______________
12751 + 118 = ?
Answer: ______________
Answer key: 3-digit addition
- 1. 977
- 2. 916
- 3. 886
- 4. 839
- 5. 566
- 6. 878
- 7. 836
- 8. 546
- 9. 759
- 10. 349
- 11. 386
- 12. 869
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/add-3-digit