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: ____________
1? − 100 = 743
Answer: ______________
2? + 10 = 677
Answer: ______________
3? + 10 = 226
Answer: ______________
4Start at 110. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
5Start at 815. Then go + 10 − 100 + 100. Where do you end?
Answer: ______________
6Start at 422. Then go + 10 + 100 + 10. Where do you end?
Answer: ______________
7Start at 449. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
8Start at 230. Then go + 10 − 10 − 100. Where do you end?
Answer: ______________
9Start at 242. Then go + 10 + 10 − 10. Where do you end?
Answer: ______________
10Start at 262. Then go − 100 + 10 + 10. Where do you end?
Answer: ______________
11Start at 255. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
12Start at 845. Then go + 10 − 10 + 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 843
- 2. 667
- 3. 216
- 4. 10
- 5. 825
- 6. 542
- 7. 569
- 8. 130
- 9. 252
- 10. 182
- 11. 155
- 12. 855
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred