atai o kakuninshita.

I checked the numerical value.

Breakdown of atai o kakuninshita.

• を: direct object particle
• 確認かくにんする: to check
• 値あたい: a numerical value

Questions & Answers about atai o kakuninshita.

How is 値を確認した read?

Most commonly:

• If 値 means value / numerical value, it is usually read あたい
  → あたいをかくにんした
• If 値 means price, it may be read ね
  → ねをかくにんした

So the reading depends on the meaning and context.

Also, the particle を is pronounced お in modern Japanese, even though it is written を.

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What does the particle を do here?

を marks the direct object of the verb.

In this sentence:

• 値 = the thing being checked
• 確認した = checked / confirmed

So 値を確認した means that 値 is what was checked.

A very literal breakdown would be:

• 値 = value
• を = object marker
• 確認した = checked / confirmed

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What does 確認した mean exactly?