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 378. Then go + 10 − 10 − 100. Where do you end?
Answer: ______________
2Start at 422. Then go + 100 − 100 + 10. Where do you end?
Answer: ______________
3Start at 596. Then go − 100 + 10 − 10. Where do you end?
Answer: ______________
4? + 100 = 601
Answer: ______________
5Start at 330. Then go − 100 + 10 + 100. Where do you end?
Answer: ______________
6? − 10 = 387
Answer: ______________
7What is 10 less than 397?
Answer: ______________
8Start at 519. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
9Start at 819. Then go − 10 − 100 + 100. Where do you end?
Answer: ______________
10? − 10 = 537
Answer: ______________
11Start at 730. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
12Start at 374. Then go − 10 + 100 + 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 278
- 2. 432
- 3. 496
- 4. 501
- 5. 340
- 6. 397
- 7. 387
- 8. 639
- 9. 809
- 10. 547
- 11. 650
- 12. 474
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred