Barnen väntar vid rutschkanan medan mamman sitter på bänken.

Barnen is the definite plural form of barn.

• barn = child / children
• barnen = the children

In Swedish, definiteness is usually added as an ending, rather than with a separate word like the in English.

A useful pattern here is:

• ett barn = a child
• barn = children
• barnen = the children

So Barnen väntar ... means The children are waiting ...

These are all definite singular nouns, meaning the slide, the mother, and the bench.

In Swedish, the definite article is usually attached to the end of the noun:

• en rutschkana = a slide

• rutschkanan = the slide

• en mamma = a mother / mom

• mamman = the mother / mom

• en bänk = a bench
• bänken = the bench

So instead of saying the bench, Swedish often says bench-the in effect.

Because Swedish usually expresses the by adding a suffix to the noun.

Compare:

• English: the children

• Swedish: barnen

• English: the bench
• Swedish: bänken

This is one of the biggest structural differences from English. Swedish does have forms like den, det, and de, but in a sentence like this, the definite ending on the noun is enough.

Väntar is the present tense of vänta, meaning wait.

So:

• vänta = to wait
• väntar = wait / am waiting / is waiting / are waiting

Swedish present tense often covers both:

• wait
• am/is/are waiting

So Barnen väntar can mean:

• The children wait
• The children are waiting

In normal English, are waiting sounds more natural here, but Swedish does not need a separate progressive form like English does.

Vid here means something like by, at, or next to.

So:

• vid rutschkanan = by the slide / at the slide

It suggests location near something, not necessarily on it or inside it.

This is different from:

• på = on
• i = in

So the children are waiting by the slide, not on the slide.

Because the two prepositions describe different kinds of location.

• vid rutschkanan = by the slide
• på bänken = on the bench

You wait near a slide, so vid makes sense. You sit on a bench, so Swedish uses på.

This is similar to English, but prepositions do not always match perfectly between the two languages, so it is worth learning them as part of common phrases:

• sitta på en bänk = sit on a bench
• stå vid dörren = stand by the door

Medan means while.

It is a conjunction that links two actions happening at the same time:

• Barnen väntar vid rutschkanan medan mamman sitter på bänken.
• The children are waiting by the slide while the mother is sitting on the bench.

So medan introduces a clause that gives background or simultaneous action.

Because after medan, Swedish uses normal subordinate-clause word order, where the subject usually comes before the verb:

• medan mamman sitter ...
• while the mother sits ...

Here:

• mamman = subject
• sitter = verb

That is straightforward in this sentence. A useful extra point is that if you started the whole sentence with the medan clause, the main clause would change word order because of Swedish V2 word order:

• Medan mamman sitter på bänken väntar barnen vid rutschkanan.

Notice that väntar comes before barnen in the main clause after the fronted subordinate clause.

Yes. Sitter is the present tense of sitta, meaning sit.

• sitta = to sit
• sitter = sits / is sitting

So mamman sitter på bänken means:

• the mother sits on the bench
• more naturally in English here: the mother is sitting on the bench

Just like väntar, Swedish present tense can often translate either as simple present or present continuous in English.

Because Swedish definite forms depend on the noun’s gender and form.

In this sentence:

• mamma → mamman
• rutschkana → rutschkanan
• bänk → bänken
• barn → barnen (definite plural)

A very rough guide:

• many en-words take -en in the definite singular:
  en bänk → bänken
• nouns ending in -a often take just -n added to the base form, though spelling may look like -an overall:
  mamma → mamman
  rutschkana → rutschkanan

It is best to learn each noun with its article:

• en mamma
• en bänk
• en rutschkana
• ett barn

That makes the definite forms easier to predict.

Mamma is usually more like mom or mum in tone, though in some translations it may appear as mother.

So:

• mamman = the mom / the mother

In a natural family context, mom is often the best English equivalent. If the translation says the mother, that is still correct, but it can sound slightly more formal than mamma often feels in Swedish.

A very natural alternative is:

• Medan mamman sitter på bänken väntar barnen vid rutschkanan.

This still means the same thing: While the mother is sitting on the bench, the children are waiting by the slide.

The important thing to notice is the word order in the main clause:

• after starting with Medan mamman sitter på bänken, Swedish puts the verb first in the main clause:
  • väntar barnen
  • not barnen väntar

That is a classic Swedish word-order pattern.

Rutschkana means slide as in playground slide. It is a normal everyday word, especially when talking about children or playgrounds.

A rough English-friendly pronunciation guide is:

• rutschkanan ≈ ROOTSH-kah-nan

But that is only approximate. A few things to notice:

• u in Swedish is not pronounced like English oo
• tsch sounds like ch/sh together, roughly like the sound in church or switch, depending on accent and speaker
• the final -an in rutschkanan is the definite ending on the noun

If pronunciation is important, this is a good word to listen to rather than rely only on spelling.