πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 336 to add: 196 + 336 = 196 + 300 + 30 + ?
Answer: ______________
2658 − 627 = ?
Answer: ______________
3947 − 302 = ?
Answer: ______________
4Break apart 355 to add: 435 + 355 = 435 + 300 + 50 + ?
Answer: ______________
5114 + 273 = ?
Answer: ______________
6Put the blocks together. 351 + 208 = ?
Answer: ______________
7Break apart 328 to add: 515 + 328 = 515 + 300 + 20 + ?
Answer: ______________
8Break apart 306 to add: 425 + 306 = 425 + 300 + 0 + ?
Answer: ______________
9Break apart 321 to add: 246 + 321 = 246 + 300 + 20 + ?
Answer: ______________
10702 + 214 = ?
Answer: ______________
11Break apart 204 to add: 249 + 204 = 249 + 200 + 0 + ?
Answer: ______________
12204 + 711 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 6
- 2. 31
- 3. 645
- 4. 5
- 5. 387
- 6. 559
- 7. 8
- 8. 6
- 9. 1
- 10. 916
- 11. 4
- 12. 915
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000