100% recommend Math classes!
My 9 year old absolutely loves Math classes! Classes are interactive, the teacher is very intelligent, attentive and encouraging. Our daughter is bilingual (Russian/English) and these classes also help her with Russian as we live in the U.S. I also really like how structured the material is and how easy it is to navigate the platform. I would recommend Hello World school to anyone who wants their children to learn in a supporting and engaging environment!