It really depends on how much your son wants to do math. As you can imagine, there is a whole world of kids like your kid who love math and want to do nothing

It really depends on how much your son wants to do math. As you can imagine, there is a whole world of kids like your kid who love math and want to do nothing more than math. If you're interested I can chat with you or recommend resources here if you decide to help your kid do more math.