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 10 more than 305?
Answer: ______________
2Start at 648. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
3Start at 226. Then go + 100 − 10 + 10. Where do you end?
Answer: ______________
4Start at 261. Then go + 100 + 10 + 10. Where do you end?
Answer: ______________
5? + 10 = 316
Answer: ______________
6? + 10 = 123
Answer: ______________
7Start at 154. Then go + 10 − 100 + 100. Where do you end?
Answer: ______________
8Start at 474. Then go + 100 + 10 − 10. Where do you end?
Answer: ______________
9Start at 235. Then go + 10 + 100 − 100. Where do you end?
Answer: ______________
10Start at 698. Then go + 100 − 100 + 10. Where do you end?
Answer: ______________
11Start at 406. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
12Start at 718. Then go + 10 − 10 + 100. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 315
- 2. 568
- 3. 326
- 4. 381
- 5. 306
- 6. 113
- 7. 164
- 8. 574
- 9. 245
- 10. 708
- 11. 326
- 12. 818
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred