πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 386 to add: 112 + 386 = 112 + 300 + 80 + ?
Answer: ______________
2Break apart 305 to add: 244 + 305 = 244 + 300 + 0 + ?
Answer: ______________
3Put the blocks together. 462 + 152 = ?
Answer: ______________
4705 + 251 = ?
Answer: ______________
5174 + 202 = ?
Answer: ______________
6105 + 562 = ?
Answer: ______________
7311 + 282 = ?
Answer: ______________
8Put the blocks together. 455 + 113 = ?
Answer: ______________
9863 − 723 = ?
Answer: ______________
10Break apart 120 to add: 549 + 120 = 549 + 100 + 20 + ?
Answer: ______________
11177 + 621 = ?
Answer: ______________
12102 + 895 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 6
- 2. 5
- 3. 614
- 4. 956
- 5. 376
- 6. 667
- 7. 593
- 8. 568
- 9. 140
- 10. 0
- 11. 798
- 12. 997
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000