1)
2. I'm not very good at things like that.
3. I'll give you a hand if you like.
4. It's really pretty simple (I'm not sure about this one)
5. I'm not sure how to do it.
2)
2. 5th sentence
3. 4th sentence
4. 2nd sentence
5. 3rd sentence
Again, keep this in mind, I'm not 100% sure :)