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 312. Then go − 100 − 10 + 100. Where do you end?
Answer: ______________
2? − 100 = 634
Answer: ______________
3What is 10 more than 169?
Answer: ______________
4Start at 237. Then go − 10 + 10 − 100. Where do you end?
Answer: ______________
5Start at 672. Then go + 10 + 10 − 10. Where do you end?
Answer: ______________
6Start at 503. Then go + 10 + 10 − 100. Where do you end?
Answer: ______________
7What is 10 less than 838?
Answer: ______________
8Start at 229. Then go + 10 + 100 − 100. Where do you end?
Answer: ______________
9Start at 456. Then go − 100 − 10 + 100. Where do you end?
Answer: ______________
10? − 100 = 200
Answer: ______________
11? + 10 = 231
Answer: ______________
12Start at 264. Then go + 10 + 100 − 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 302
- 2. 734
- 3. 179
- 4. 137
- 5. 682
- 6. 423
- 7. 828
- 8. 239
- 9. 446
- 10. 300
- 11. 221
- 12. 364
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred