πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 287 to add: 510 + 287 = 510 + 200 + 80 + ?
Answer: ______________
2Break apart 113 to add: 287 + 113 = 287 + 100 + 10 + ?
Answer: ______________
3965 − 624 = ?
Answer: ______________
4775 − 221 = ?
Answer: ______________
5120 + 522 = ?
Answer: ______________
6696 − 405 = ?
Answer: ______________
7286 − 130 = ?
Answer: ______________
8847 − 703 = ?
Answer: ______________
9831 + 101 = ?
Answer: ______________
10Put the blocks together. 492 + 376 = ?
Answer: ______________
11528 − 225 = ?
Answer: ______________
12994 − 272 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 7
- 2. 3
- 3. 341
- 4. 554
- 5. 642
- 6. 291
- 7. 156
- 8. 144
- 9. 932
- 10. 868
- 11. 303
- 12. 722
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000