Explore 数 in everyday counting and numerical words. Learn each reading with a complete word and a useful sentence.
The idea
数 has 13 strokes; follow the linked stroke-order diagram. 数える is かぞえる, 数 is かず, 数学 is すうがく and 人数 is にんずう. Learn readings with their words.
| Japanese word | Reading | Example in context |
|---|---|---|
| 数える | かぞえる | I count the books. |
| 数 | かず | The number of students has increased. |
| 数学 | すうがく | I study mathematics at school. |
| 人数 | にんずう | Please check the number of people. |
Examples
- 本を数えます。I count the books.
- 生徒の数が増えました。The number of students has increased.
- 学校で数学を勉強します。I study mathematics at school.
- 数字を書いてください。Please write the number.
- 数日旅行に行きます。I will travel for a few days.
- 人数を確認してください。Please check the number of people.
Read-aloud uses a synthetic Japanese voice available on your device. Voice quality and availability vary; it does not assess your pronunciation.
No Japanese device voice is available. You can still read the text and use the linked listening resources.
Watch out
数 as a noun means a number or quantity; 数える means to count. In 人数, 数 is ずう, not すう; the reading depends on the whole word.
Try it yourself
Write the reading of 数える in hiragana.
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かぞえる
数える is かぞえる: 本を数えます means “I count the books.” The ending える belongs to the verb.
Write the reading of 数学 in hiragana.
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すうがく
数学 is すうがく, meaning mathematics. Remember the long vowel in すう.
Choose the missing kanji: 人_(にんずう)[数/教].
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数
数 completes 人数(にんずう), the number of people. Here 数 is read ずう.
Practice round
Answer questions, then rebuild Japanese sentences where available. We keep your score.
Write the reading of 数える in hiragana.
Write the reading of 数学 in hiragana.
Choose the missing kanji: 人_(にんずう)[数/教].
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
Keep your progress
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Write 数 using the diagram. Cover the table, read 数える and 数学, and make a sentence with one of them.

