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 571. Then go + 100 + 10 − 10. Where do you end?
Answer: ______________
2What is 10 less than 581?
Answer: ______________
3Start at 551. Then go − 10 + 10 + 100. Where do you end?
Answer: ______________
4Start at 809. Then go − 100 + 10 − 10. Where do you end?
Answer: ______________
5Start at 259. Then go − 100 + 100 + 10. Where do you end?
Answer: ______________
6? + 10 = 821
Answer: ______________
7Start at 185. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
8Start at 188. Then go + 100 − 100 − 10. Where do you end?
Answer: ______________
9What is 10 more than 660?
Answer: ______________
10Start at 322. Then go − 100 − 10 + 100. Where do you end?
Answer: ______________
11Start at 887. Then go − 100 − 10 + 10. Where do you end?
Answer: ______________
12Start at 781. Then go − 10 + 10 − 100. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 671
- 2. 571
- 3. 651
- 4. 709
- 5. 269
- 6. 811
- 7. 85
- 8. 178
- 9. 670
- 10. 312
- 11. 787
- 12. 681
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred