How do you want your kids to learn Math? I don't have a formal education in Math. And if you don't too, these books can help you. At least, you will be able to teach your kids to relax. Just a few minutes for each difficult book!
Work hard, intensely, compulsively, obsessively and of course, productively and insanely?
Work in balance, work having a life and productively too?
You have a choice, your kids too have a choice.
Perfect Rigor: A Genius and the Mathematical Breakthrough of the Century
A Strange Wilderness: The Lives of the Great Mathematicians
Henri Poincaré: A Scientific Biography
Surely You're Joking, Mr. Feynman! (Adventures of a Curious Character)
How to Solve It: A New Aspect of Mathematical Method (Princeton Science Library)
George Ploya book pdf