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 = 251
Answer: ______________
2? + 100 = 668
Answer: ______________
3Start at 215. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
4What is 10 less than 602?
Answer: ______________
5? − 100 = 225
Answer: ______________
6Start at 400. Then go − 100 + 10 + 100. Where do you end?
Answer: ______________
7Start at 188. Then go − 10 − 100 + 10. Where do you end?
Answer: ______________
8What is 100 more than 479?
Answer: ______________
9What is 100 less than 349?
Answer: ______________
10Start at 670. Then go − 100 − 10 + 10. Where do you end?
Answer: ______________
11? + 10 = 450
Answer: ______________
12What is 100 less than 222?
Answer: ______________
Answer key: 10 or 100 more or less
- 1. 241
- 2. 568
- 3. 115
- 4. 592
- 5. 325
- 6. 410
- 7. 88
- 8. 579
- 9. 249
- 10. 570
- 11. 440
- 12. 122
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/number-ten-hundred