πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 331 to add: 171 + 331 = 171 + 300 + 30 + ?
Answer: ______________
2Put the blocks together. 374 + 292 = ?
Answer: ______________
3535 − 504 = ?
Answer: ______________
4Put the blocks together. 135 + 182 = ?
Answer: ______________
5310 + 316 = ?
Answer: ______________
6Break apart 241 to add: 555 + 241 = 555 + 200 + 40 + ?
Answer: ______________
7206 + 450 = ?
Answer: ______________
8111 + 807 = ?
Answer: ______________
9Break apart 331 to add: 183 + 331 = 183 + 300 + 30 + ?
Answer: ______________
10767 − 346 = ?
Answer: ______________
11Put the blocks together. 370 + 213 = ?
Answer: ______________
12Put the blocks together. 210 + 344 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 1
- 2. 666
- 3. 31
- 4. 317
- 5. 626
- 6. 1
- 7. 656
- 8. 918
- 9. 1
- 10. 421
- 11. 583
- 12. 554
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000