Tira el dau.

Roll the die.

Breakdown of Tira el dau.

• el dau: the die
• tirar: to roll or throw

Questions & Answers about Tira el dau.

Why is it tira and not tires?

Because this is a command.

• tires = you roll / you throw (statement, present tense)
• tira = roll / throw! (informal singular command)

With many -ar verbs in Catalan, the tu imperative has the same form as the 3rd person singular present:

• tirar → tira

So:

• Tu tires el dau. = You roll the die.
• Tira el dau. = Roll the die.

What form of the verb is tira exactly?

It is the informal singular imperative of tirar.

That means you use it when speaking to one person you would address as tu.

The infinitive is:

• tirar = to throw, to toss, to roll

In this sentence, tira means something like roll!

Why is there an el in el dau?