Japanese counter quiz

You are shown a number and a counter — 3本 — and you pick how it is read. The three wrong answers are deliberately the near-misses (さんほん, さんぽん), so you are practising the sound change itself rather than guessing by elimination.

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The three sets

• Sound changes only — The forms that actually trip people up. (126 questions)
• All counters — Every counter, 1 to 10. (380 questions)
• Time & dates — 時・分・日・年・ヶ月・週間 — the ones you need daily. (60 questions)

Study tip

Start with Sound changes only. Those are the forms native speakers produce without thinking and learners get wrong — everything else is just the number plus the counter. When a round goes badly, the counters reference has all ten readings for every counter, with the rule that produces them.