Concept redesign by Pretoni. This is a design proposal, not the official website of Jin’s Mental Arithmetic Academy, and it is not affiliated with or endorsed by Jin’s Mental Arithmetic Academy.Visit the official siteAbout Pretoni

Small beads. Big possibilities.San Jose, California
Why abacus

Move the beads.
Train the mind.

The abacus makes quantity visible and tactile. With practice, children begin to picture the tool mentally—turning physical movement into confident calculation.

Explore the method
A child moving beads on a wooden abacusSee numbers differently!
Five connected gains

Real skills. A brighter future.

The strongest result is not a single score. It is a collection of habits that helps a child learn with more clarity and confidence.

01

Memory

Strengthen recall and visual thinking. Repetition turns deliberate movement into an increasingly natural mental process.

02

Concentration

Focus deeply and sustain attention. Repetition turns deliberate movement into an increasingly natural mental process.

03

Number Sense

See quantities and patterns differently. Repetition turns deliberate movement into an increasingly natural mental process.

04

Confidence

Meet challenges with a positive mindset. Repetition turns deliberate movement into an increasingly natural mental process.

05

Life Skills

Practice patience, discipline, and resilience. Repetition turns deliberate movement into an increasingly natural mental process.

How learning changes

Concrete first. Mental next. Confident always.

1

Touch

Children physically move beads and connect each action to a quantity.

2

Picture

Repeated patterns build a clear visual image of the abacus in the mind.

3

Solve

Learners calculate mentally with growing speed, accuracy, and composure.

An instructor demonstrating bead movement on a large soroban
“
What looks like arithmetic practice is also practice in patience, attention, recovery, and belief.

That is why the beads matter long after class ends.

Curious? Come meet us.

Give curiosity a place to grow.

Tell us about your learner and we’ll help you choose the right place to begin.

Start an inquiry