πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 117 to add: 117 + 117 = 117 + 100 + 10 + ?
Answer: ______________
2Put the blocks together. 511 + 206 = ?
Answer: ______________
3Put the blocks together. 270 + 300 = ?
Answer: ______________
4Break apart 321 to add: 482 + 321 = 482 + 300 + 20 + ?
Answer: ______________
5992 − 270 = ?
Answer: ______________
6738 − 105 = ?
Answer: ______________
7199 + 400 = ?
Answer: ______________
8320 + 147 = ?
Answer: ______________
9511 + 117 = ?
Answer: ______________
10Break apart 357 to add: 171 + 357 = 171 + 300 + 50 + ?
Answer: ______________
11Put the blocks together. 414 + 262 = ?
Answer: ______________
12Put the blocks together. 251 + 352 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 7
- 2. 717
- 3. 570
- 4. 1
- 5. 722
- 6. 633
- 7. 599
- 8. 467
- 9. 628
- 10. 7
- 11. 676
- 12. 603
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000