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: ____________
1? + 10 = 665
Answer: ______________
2Start at 590. Then go + 100 − 100 + 10. Where do you end?
Answer: ______________
3Start at 115. Then go + 100 − 100 − 10. Where do you end?
Answer: ______________
4Start at 723. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
5Start at 759. Then go − 100 + 10 + 100. Where do you end?
Answer: ______________
6? − 10 = 720
Answer: ______________
7Start at 334. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
8Start at 225. Then go − 100 + 10 − 10. Where do you end?
Answer: ______________
9Start at 664. Then go − 10 + 10 + 10. Where do you end?
Answer: ______________
10? − 10 = 593
Answer: ______________
11? + 100 = 334
Answer: ______________
12Start at 167. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 655
- 2. 600
- 3. 105
- 4. 733
- 5. 769
- 6. 730
- 7. 234
- 8. 125
- 9. 674
- 10. 603
- 11. 234
- 12. 67
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred