Math class · Diamond Bar
SoCal Mental Math Education CenterDiamond Bar campus
3203 S Brea Canyon Rd, Diamond Bar
Abacus Beginner
Every student starts with a placement assessment, and a free trial class is offered. Classes are available by appointment on a first come, first served basis.
- Every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm
Registration open · Sign up
Mental Arithmetic
Every student starts with a placement assessment, and a free trial class is offered.
- Every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm
Registration open · Sign up
Advanced and Competition Class
Small-group training for ages 10 to 14 for regional, national and international abacus and mental math competitions.
- Every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm
Registration open · Sign up
About SoCal Mental Math Education Center
An abacus and mental math school with campuses in Diamond Bar and San Marino (and Irvine), teaching small groups from beginner abacus to competition-level mental arithmetic. Classes are by appointment.
- Since 1990
Where and how to reach them
Diamond Bar campus3203 S Brea Canyon Rd, Suite A
Diamond Bar, CA 91765
Details from socal-mentalmath.com, checked October 7, 2026. Prices, dates and spaces change: check with SoCal Mental Math Education Center before you sign up. Something wrong or missing? Write to hello@summerground.com.