Hello,
Nice to see your example website. Certainly, I will design and develop math quiz website with similar features and functionality of your reference link.
Please, do let me know your preference on technology in which you want to built your website?
I am among top 1000 freelancer here, and well known for my quality work. I have delivered 200+ websites in last 24 months. You can checkout my profile, to confirm further.
Technically I am competent in PHP (v5.5 & 5.6), CodeIgnitor, WordPress, Magento, Joomla, MySQL, HTML/HTML5, CSS/CSS3, Ajax, jQuery, Bootstrap v3, JavaScript etc.
I am readily available to commence this project. Please, do ping me to discuss further.
Regards,
Brijesh R, Web Expert