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? + 10 = 617
Answer: ______________
2Start at 176. Then go + 100 − 10 + 10. Where do you end?
Answer: ______________
3What is 10 less than 845?
Answer: ______________
4Start at 722. Then go + 100 + 10 − 100. Where do you end?
Answer: ______________
5Start at 250. Then go + 100 − 10 − 100. Where do you end?
Answer: ______________
6Start at 783. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
7? − 10 = 650
Answer: ______________
8Start at 680. Then go + 100 − 10 + 10. Where do you end?
Answer: ______________
9What is 10 less than 522?
Answer: ______________
10What is 10 less than 584?
Answer: ______________
11Start at 797. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
12Start at 428. Then go + 10 + 100 − 10. Where do you end?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 607
- 2. 276
- 3. 835
- 4. 732
- 5. 240
- 6. 903
- 7. 660
- 8. 780
- 9. 512
- 10. 574
- 11. 697
- 12. 528
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred