πagarwalmath · 2nd grade · Common Core 2.NBT.B.7
🧮 Add & subtract within 1000
Add and subtract within 1000
Name: ______________________Date: ____________
1Break apart 168 to add: 406 + 168 = 406 + 100 + 60 + ?
Answer: ______________
2341 + 508 = ?
Answer: ______________
3Put the blocks together. 222 + 338 = ?
Answer: ______________
4Break apart 224 to add: 117 + 224 = 117 + 200 + 20 + ?
Answer: ______________
5119 − 106 = ?
Answer: ______________
6935 − 830 = ?
Answer: ______________
7125 + 330 = ?
Answer: ______________
8165 − 120 = ?
Answer: ______________
9Break apart 115 to add: 195 + 115 = 195 + 100 + 10 + ?
Answer: ______________
10Break apart 392 to add: 115 + 392 = 115 + 300 + 90 + ?
Answer: ______________
11403 + 383 = ?
Answer: ______________
12Put the blocks together. 552 + 280 = ?
Answer: ______________
Answer key: Add & subtract within 1000
- 1. 8
- 2. 849
- 3. 560
- 4. 4
- 5. 13
- 6. 105
- 7. 455
- 8. 45
- 9. 5
- 10. 2
- 11. 786
- 12. 832
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-within-1000