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: ____________
1What is 100 more than 344?
Answer: ______________
2Start at 421. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
3Start at 145. Then go + 10 + 100 + 10. Where do you end?
Answer: ______________
4Start at 533. Then go + 10 − 10 − 100. Where do you end?
Answer: ______________
5? − 100 = 348
Answer: ______________
6Start at 776. Then go + 100 + 10 + 10. Where do you end?
Answer: ______________
7Start at 581. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
8What is 100 more than 510?
Answer: ______________
9Start at 846. Then go + 100 − 10 + 10. Where do you end?
Answer: ______________
10? + 100 = 470
Answer: ______________
11Start at 554. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
12Start at 651. Then go + 10 + 100 − 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 444
- 2. 321
- 3. 265
- 4. 433
- 5. 448
- 6. 896
- 7. 501
- 8. 610
- 9. 946
- 10. 370
- 11. 474
- 12. 751
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred