La scheda segnapunti mostra la classifica provvisoria.

Because both scheda and classifica are feminine singular nouns.

• la scheda = the sheet/card
• la classifica = the ranking/standings

In Italian, the definite article must agree with the noun in gender and number. If the noun were masculine singular, you would usually get il or lo instead.

It is a noun phrase meaning something like score sheet, scorecard, or scoreboard card, depending on context.

• scheda = sheet, card, form
• segnapunti = scorekeeper / score marker / scoring device

Together, scheda segnapunti works like a compact expression where the second noun specifies the first. Italian often does this without using di.

So the basic idea is:

• scheda = the main noun
• segnapunti = tells you what kind of scheda it is

Because segnapunti is not an adjective here. It is a noun used to specify another noun.

So:

• scheda is feminine, and that controls the article: la scheda
• segnapunti stays as a fixed noun form

This is common in Italian. A noun can modify another noun without changing form, especially in compound-like expressions.

Because the subject is singular: La scheda segnapunti.

mostra is the third-person singular present of mostrare:

• io mostro
• tu mostri
• lui/lei mostra
• noi mostriamo
• voi mostrate
• loro mostrano

Since there is one score sheet/card, the verb is singular: mostra.

It follows a very straightforward subject + verb + object pattern:

• La scheda segnapunti = subject
• mostra = verb
• la classifica provvisoria = direct object

So the sentence is structurally very close to English: The score sheet shows the provisional standings.

Because in Italian, adjectives often come after the noun, especially when they are simply describing it.

So:

• classifica provvisoria = provisional ranking / provisional standings

This is the most neutral and natural order.
Putting the adjective before the noun is sometimes possible in Italian, but it often sounds more literary, emphatic, or changes the nuance.

Provvisoria means temporary, preliminary, or subject to change.

So la classifica provvisoria is not necessarily final. It suggests that the ranking may still change later.

This is a very common word in contexts like:

• risultato provvisorio = provisional result
• versione provvisoria = draft / temporary version
• classifica provvisoria = provisional standings

Normally, no. In a full sentence like this, the articles sound natural and expected:

• La scheda segnapunti mostra la classifica provvisoria.

If you remove them, the sentence sounds unnatural in standard Italian:

• Scheda segnapunti mostra classifica provvisoria → not normal as a regular sentence

Italian uses articles more often than English, especially with ordinary countable nouns in normal statements.

It can mean either, depending on context.

The Italian present tense often covers both:

• shows
• is showing

So La scheda segnapunti mostra la classifica provvisoria could mean:

• the score sheet shows the provisional standings
• the score sheet is showing the provisional standings

If Italian wants to stress an action happening right now, it can use stare + gerundio, for example:

• sta mostrando

But the simple present is very common and often enough.

If the subject becomes plural, both the article and the verb change:

• Le schede segnapunti mostrano la classifica provvisoria.

Changes:

• la scheda → le schede
• mostra → mostrano

Notice that segnapunti often stays the same in form, while scheda changes normally.

If the object were also plural, you could say:

• Le schede segnapunti mostrano le classifiche provvisorie.

No, they are related but not the same.

• classifica = ranking, table, standings, ordered list of who is first, second, third, etc.
• punteggio = score, number of points

So:

• Il punteggio tells you the points or score
• La classifica tells you the order of the competitors or teams

In this sentence, classifica is the right word because the focus is on the ranking, not just a raw score.