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 338. Then go − 10 − 100 + 100. Where do you end?
Answer: ______________
2? − 10 = 709
Answer: ______________
3? + 100 = 870
Answer: ______________
4? + 100 = 303
Answer: ______________
5Start at 551. Then go + 10 + 100 + 10. Where do you end?
Answer: ______________
6Start at 745. Then go − 100 − 10 + 100. Where do you end?
Answer: ______________
7Start at 256. Then go − 10 + 100 + 10. Where do you end?
Answer: ______________
8What is 10 less than 340?
Answer: ______________
9Start at 702. Then go + 10 + 10 + 100. Where do you end?
Answer: ______________
10Start at 641. Then go + 10 − 100 − 10. Where do you end?
Answer: ______________
11Start at 783. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
12What is 10 less than 676?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 328
- 2. 719
- 3. 770
- 4. 203
- 5. 671
- 6. 735
- 7. 356
- 8. 330
- 9. 822
- 10. 541
- 11. 683
- 12. 666
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred