πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 151 to add: 273 + 151 = 273 + 100 + 50 + ?
Answer: ______________
2288 − 276 = ?
Answer: ______________
3Put the blocks together. 381 + 276 = ?
Answer: ______________
4Put the blocks together. 428 + 245 = ?
Answer: ______________
5Break apart 238 to add: 462 + 238 = 462 + 200 + 30 + ?
Answer: ______________
6540 + 117 = ?
Answer: ______________
7160 + 231 = ?
Answer: ______________
8316 + 401 = ?
Answer: ______________
9103 + 264 = ?
Answer: ______________
10Break apart 272 to add: 286 + 272 = 286 + 200 + 70 + ?
Answer: ______________
11852 − 610 = ?
Answer: ______________
12113 + 733 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 1
- 2. 12
- 3. 657
- 4. 673
- 5. 8
- 6. 657
- 7. 391
- 8. 717
- 9. 367
- 10. 2
- 11. 242
- 12. 846
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000