Mathnasium of Memorial CityHome / Mathnasium of Memorial City Share: EDUCATION Mathnasium of Memorial City Visit Website 9778 Katy Fwy. Ste. 500 Houston, TX 77055 713-973-7000 About Map About We are an after-school math learning center that teaches students in 1st-12th grade Whether a student needs to catch up, keep up, or get ahead, we can help them succeed in math. What's Nearby? Distance: 5 10 15 20 25 50 mi.