Die polisnommer is op die eisvorm.

Afrikaans very often writes compound nouns as a single word.
So polisnommer = polis + nommer = policy number.

This is similar to how English sometimes has compounds like bathroom or toothbrush, but Afrikaans does this much more consistently.

Eisvorm means claim form.

It is another compound noun:

• eis = claim
• vorm = form

So eisvorm literally means claim-form. In Afrikaans, this is normally written as one word.

Die means the.

It appears twice because there are two definite nouns in the sentence:

• die polisnommer = the policy number
• die eisvorm = the claim form

Afrikaans uses die for the regardless of gender, so it stays the same each time.

No. One helpful feature of Afrikaans is that die does not change for grammatical gender the way articles do in some other languages.

So you use die for all of these:

• die man = the man
• die vrou = the woman
• die kind = the child

That makes articles simpler than in many European languages.

Yes, in this sentence is works just like English is.

• Die polisnommer is op die eisvorm.
• The policy number is on the claim form.

It is the present tense of the verb to be.

Op means on.

So:

• op die eisvorm = on the claim form

It is a very common preposition in Afrikaans.

This is a simple main clause, so the structure is straightforward:

• Die polisnommer = subject
• is = verb
• op die eisvorm = prepositional phrase

Afrikaans main clauses often look quite similar to English in sentences like this. The verb is in the normal main-clause position, so the sentence feels very familiar to an English speaker.

Yes, if the context already makes it clear that you mean a claim form.

• die eisvorm = the claim form
• die vorm = the form

Using die eisvorm is more specific and therefore clearer.

You would usually invert the verb and subject:

Is die polisnommer op die eisvorm?

That means Is the policy number on the claim form?

This kind of inversion is very common in Afrikaans yes/no questions.

You would use ’n for a/an:

• ’n polisnommer = a policy number
• ’n eisvorm = a claim form

So:

• Die polisnommer is op die eisvorm. = The policy number is on the claim form.
• ’n Polisnommer is op ’n eisvorm. would mean A policy number is on a claim form, though that is less natural in most contexts.

A helpful approximate pronunciation is:

• polisnommer ≈ POH-liss-nom-er

A few tips:

• poli- sounds a bit like poly in English, but shorter and cleaner.
• nommer sounds similar to nommer, with the first syllable stressed.

Pronunciation varies a little by speaker, but that approximation is good enough for a learner.

A useful approximation is:

• eisvorm ≈ ace-form

A few notes:

• eis often sounds close to English ace
• vorm sounds a bit like form, though the vowel may differ slightly from English depending on accent

So the whole phrase op die eisvorm is roughly op dee ace-form.

Yes — it shows three very common patterns:

1. Compound nouns

   • polisnommer
   • eisvorm

2. Simple article usage

   • die = the

3. Basic location structure

   • X is op Y = X is on Y

That means you can easily build similar sentences, for example:

• Die naam is op die vorm. = The name is on the form.
• Die adres is op die dokument. = The address is on the document.
• Die datum is op die bladsy. = The date is on the page.