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SIGMA SOROBAN | MATH SCHOOL

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SIGMA SOROBAN | MATH SCHOOL

About
- Director's Notes
- Frequently Asked Questions
Class Info
Calendar
- Events
- Class Schedule
Results
- 2023
- 2022
- 2021
- 2019
- 2018
- 2017
Gallery
- Newsletter
- Classrooms
- Contests
- Video
- Documents
League
- Dictation Certification
- Documents
Contact Us

Dictation Certification

オンライン読上算検定

Abacus dictation sample videos

mental dictation sample videos

Dictation Kyu Level.png

Dictation Lower Dan Level.png

Dictation Upper Dan Level.png

Sigma main headquarters

1740 Cabrillo street
west covina, ca 91791-2661
(626) 915-4486

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