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 178. Then go + 100 + 10 + 10. Where do you end?
Answer: ______________
2What is 10 less than 252?
Answer: ______________
3? + 100 = 667
Answer: ______________
4Start at 687. Then go − 10 − 100 + 100. Where do you end?
Answer: ______________
5? − 10 = 238
Answer: ______________
6? − 10 = 806
Answer: ______________
7What is 100 less than 143?
Answer: ______________
8What is 100 less than 375?
Answer: ______________
9What is 10 less than 648?
Answer: ______________
10? − 100 = 678
Answer: ______________
11? + 100 = 450
Answer: ______________
12Start at 204. Then go + 10 − 100 + 100. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 298
- 2. 242
- 3. 567
- 4. 677
- 5. 248
- 6. 816
- 7. 43
- 8. 275
- 9. 638
- 10. 778
- 11. 350
- 12. 214
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred