Japanese Math Terms โ
I used these exactly once for a karate class I taught, trying to get students to do 2-digit equations in Japanese. It had mixed success ๐
General terms โ
keesan no kotoba (words of math)
itte kudasai (please try to say these)
Operators โ
+tasu-hikuรทwaruรkakeru=wa
Shi vs Yon vs Nana vs Shichi โ
Shi & shichi are 'onyomi', older and derived from classical Chinese
ใ (shi) sounds a lot like ๆญป (shi) which means death.
Yon & nana are 'kunyomi', newer and native Japanese pronunciation. 4 yon 7 nana 100 hyaku 1000 sen
Fractions and decimals โ
Fraction (bun no) ie. 1/2 is 2 bun no 1, ni bun no ich.
Decimals are read out in all their numbers each like 3 dot 7 5. 3.75 = san "ten" nana go
Putting them together โ
5432 = gosenyonhyakusanjuni
"9x9=81" kyu kakeru kyu wa hachijuichi
342 ร 1/100 = 3.42 is "san hyaku yon ju ni kakeru hyaku bun no ichi wa san ten yon ni"