pls help solving 4th math
posted by Kevin .
1. Explain why you would use front end estimation. Gie an example of one time you might use it.
2. Explain in words how to add 234+467. Make sure to explain regrouping, if necessary.
Thanks for your help!

2)
234 +
467
** 4+7 = 11
** 60+30= 90
**200+300=600
Answer =600 + 90 +11= 701