πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Put the blocks together. 375 + 303 = ?
Answer: ______________
2Break apart 126 to add: 333 + 126 = 333 + 100 + 20 + ?
Answer: ______________
3Break apart 222 to add: 355 + 222 = 355 + 200 + 20 + ?
Answer: ______________
4Break apart 258 to add: 533 + 258 = 533 + 200 + 50 + ?
Answer: ______________
5Put the blocks together. 186 + 306 = ?
Answer: ______________
6118 + 341 = ?
Answer: ______________
7799 − 139 = ?
Answer: ______________
8934 − 403 = ?
Answer: ______________
9666 + 302 = ?
Answer: ______________
10414 − 100 = ?
Answer: ______________
11879 − 451 = ?
Answer: ______________
12Put the blocks together. 374 + 127 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 678
- 2. 6
- 3. 2
- 4. 8
- 5. 492
- 6. 459
- 7. 660
- 8. 531
- 9. 968
- 10. 314
- 11. 428
- 12. 501
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000