Abacus4Everyone blog

Teaching abacus, properly.

Practical guides on curriculum, technique, and running an abacus class — written for teachers and the parents who support them.

Curriculum5 min read

Why our abacus course has 14 levels, not 8

Most abacus programmes stop at 8 levels. Ours has 14 — 8 core levels that cover the complete classical syllabus, then 6 advanced levels. Here's why that matters.

For teachers6 min read

Do you need a franchise to run an abacus class?

Abacus franchises sell a curriculum, materials and a brand — for a large upfront fee plus ongoing royalties. Here's what you're actually buying, and what an independent teacher can do instead.

Technique7 min read

Small Friends and Big Friends: the abacus formulas explained

The two formula families every abacus student learns — the 5's complements (Small Friends) and the 10's complements (Big Friends) — explained simply, with the full tables and how to teach them.