1. I have a good head for figures.

2. He should go in for accounting because he has a good head for figures.

3. A steeplejack has to have a good head for heights.

4. Have a good head for something.

5. Well, I have a good head for business, but I'm not very creative.

6. In all undertakings you have a good head for managing and controlling.

7. Bill: Jane seems to have a good head for Mathematics.