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 less than 341?
Answer: ______________
2Start at 801. Then go + 10 − 10 + 100. Where do you end?
Answer: ______________
3Start at 785. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
4Start at 213. Then go + 100 + 10 − 10. Where do you end?
Answer: ______________
5Start at 760. Then go + 10 − 10 + 100. Where do you end?
Answer: ______________
6? − 10 = 399
Answer: ______________
7Start at 127. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
8Start at 525. Then go + 10 − 10 − 100. Where do you end?
Answer: ______________
9? − 100 = 417
Answer: ______________
10? + 10 = 272
Answer: ______________
11Start at 149. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
12Start at 427. Then go − 10 + 10 + 100. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 241
- 2. 901
- 3. 795
- 4. 313
- 5. 860
- 6. 409
- 7. 247
- 8. 425
- 9. 517
- 10. 262
- 11. 49
- 12. 527
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred