A jutalomfalat kicsi.

In Hungarian, the verb to be is usually left out in the present tense, third person singular when the sentence links a subject to a noun or adjective.

So:

• A jutalomfalat kicsi. = The treat is small.

Even though there is no separate word for is, that meaning is understood.

You do use to be in other situations, for example:

• Kicsi vagyok. = I am small.
• A jutalomfalat kicsi volt. = The treat was small.

A is the definite article, so here it means the.

• a jutalomfalat = the treat

Hungarian has two definite articles:

• a before consonant sounds
• az before vowel sounds

Since jutalomfalat starts with j, you use a.

Because a means the, while egy means a/an or sometimes one.

So:

• A jutalomfalat kicsi. = The treat is small.
• Egy jutalomfalat kicsi. = A treat is small or One treat is small depending on context

In your sentence, the speaker is talking about a specific treat, so a is the natural choice.

Yes. Hungarian very often makes compound nouns, and jutalomfalat is one of them.

It is built from:

• jutalom = reward
• falat = bite, morsel

So the literal idea is something like reward-bite or reward morsel, which in natural English is usually just treat, especially a treat given as a reward, often for a pet.

A rough English-friendly pronunciation is:

aw YOO-toh-lom-faw-lot KEE-chee

A few useful points:

• j sounds like English y
• cs sounds like ch in cheese
• c by itself would sound like ts, but there is no plain c in this sentence
• kicsi sounds like KEE-chee
• Hungarian stress normally falls on the first syllable of each word

So the main stresses are:

• JUtalomfalat
• KIcsi

That is the most neutral, straightforward word order here.

Hungarian often puts:

• the topic or known thing first
• the new information after it

So in A jutalomfalat kicsi:

• A jutalomfalat = what we are talking about
• kicsi = what we are saying about it

This is a very normal pattern for simple descriptive sentences.

Yes, you could, but it is not as neutral. It gives extra emphasis to kicsi.

Compare:

• A jutalomfalat kicsi. = neutral, plain statement
• Kicsi a jutalomfalat. = more like The treat is small with emphasis on small

So both are possible, but the original sentence is the basic form a learner should know first.

This is a very common learner question.

A simple rule that works well is:

• kis is very common directly before a noun
• kicsi is the normal form when the adjective stands by itself or is used as the predicate

So:

• egy kis jutalomfalat = a small treat
• A jutalomfalat kicsi. = The treat is small.

That is why kicsi is the right form in your sentence.

Hungarian has no grammatical gender, so you do not need different forms for he/she/it, masculine/feminine, and so on.

So kicsi does not change for gender.

For number, predicate adjectives can change:

• A jutalomfalat kicsi. = The treat is small.
• A jutalomfalatok kicsik. = The treats are small.

So in your sentence, kicsi is singular because jutalomfalat is singular.

It is in the basic dictionary form, often called the nominative or subject form.

Here it is the subject of the sentence, so no extra case ending is needed:

• A jutalomfalat kicsi.

Hungarian adds endings when the noun has another role. For example, as a direct object you would get a different form:

• Látok egy jutalomfalatot. = I see a treat.

But in your sentence, jutalomfalat is just the subject, so the plain form is correct.