At this stage, as your child grows older, it is his thinking skills only that will let him make the difference between what is right or wrong. You will often see that your child has become more open minded and considers multiple ways of problem fixing. You must encourage healthy thinking habits in your kid. Thinking skills is not merely a single skill; rather it is an amalgamation of different skills that helps your child to make decisions practically and skilfully.
What you can do
You can play logical video games or puzzles with him to increase his thinking ability. Create a scenario where he needs to think about what to do. This will show how your child practises his thinking skills. Keep encouraging him and honing his skills.