πagarwalmath · 2nd grade · Common Core 2.NBT.B.8
🪜 10 or 100 more or less
Add or subtract 10 or 100 in your head
Name: ______________________Date: ____________
1Start at 314. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
2Start at 590. Then go + 100 + 10 − 10. Where do you end?
Answer: ______________
3Start at 798. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
4? + 10 = 555
Answer: ______________
5? − 10 = 505
Answer: ______________
6Start at 461. Then go + 10 − 10 − 100. Where do you end?
Answer: ______________
7? − 10 = 223
Answer: ______________
8Start at 411. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
9? + 10 = 164
Answer: ______________
10? − 10 = 319
Answer: ______________
11Start at 532. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
12? + 100 = 894
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 324
- 2. 690
- 3. 808
- 4. 545
- 5. 515
- 6. 361
- 7. 233
- 8. 421
- 9. 154
- 10. 329
- 11. 652
- 12. 794
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred