πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 294 to add: 179 + 294 = 179 + 200 + 90 + ?
Answer: ______________
2Put the blocks together. 334 + 349 = ?
Answer: ______________
3Break apart 386 to add: 137 + 386 = 137 + 300 + 80 + ?
Answer: ______________
4260 + 511 = ?
Answer: ______________
5Break apart 176 to add: 326 + 176 = 326 + 100 + 70 + ?
Answer: ______________
6925 − 104 = ?
Answer: ______________
7587 − 227 = ?
Answer: ______________
8668 − 666 = ?
Answer: ______________
9342 + 626 = ?
Answer: ______________
10221 + 502 = ?
Answer: ______________
11140 + 124 = ?
Answer: ______________
12426 + 421 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 4
- 2. 683
- 3. 6
- 4. 771
- 5. 6
- 6. 821
- 7. 360
- 8. 2
- 9. 968
- 10. 723
- 11. 264
- 12. 847
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000