Sub-deck
Large Numbers & Currency
12 cards available
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Japanese counting uses native Japanese numbers (ひとつ、ふたつ…) for objects 1–10 and Sino-Japanese numbers (いち、に、さん…) for most other contexts. Large numbers group by 万 (10,000) rather than 1,000 — this trips up most beginners.
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12 cards
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12 entries
せん
1,000 (one thousand)
さんぜん
3,000
はっせん
8,000
いちまん
10,000 (ten thousand)
じゅうまん
100,000
ひゃくまん
1,000,000
～えん
. . . yen
Irregular number + ひゃく
300 = さんびゃく (not さんひゃく). 600 = ろっぴゃく. 800 = はっぴゃく. Sound changes are required.
Irregular number + せん
3,000 = さんぜん (not さんせん). 8,000 = はっせん (not はちせん).
Japanese large number system
Japanese counts in units of 10,000 (まん), not 1,000. So 100,000 = じゅうまん (10 x 10,000), 1,000,000 = ひゃくまん (100 x 10,000).
三百 is read as さん＿＿＿
びゃく
八千 is read as は＿＿＿
っせん