Captain Underpants Math Quiz is a online game that you can play on 4J.Com for free. Let's play the nice game! Your kids and you can play it together! How about your math? You can have a check. Try to answer all the questions in limited time. Of course, make as little mistakes as you can. There are 3 modes for you to challenge. Can you complete the whole levels? Have a try! Enjoy Captain Underpants Math Quiz!