読よみ上あげ算ざん

noun

abacus calculation with figures read aloud

A traditional abacus practice where one person reads out numbers and another performs the calculation on a soroban. Often used in abacus competitions and training.

• 読よみ上あげ算ざんの練れん習しゅうを毎まい日にちしている。

  I practice abacus calculation with figures read aloud every day.

• 大たい会かいでは、読よみ上あげ算ざんの速はやさを競きそう。

  At the competition, they compete in the speed of abacus calculation with figures read aloud.