Learn Polish: Ogólnie rzecz biorąc, połowa pracowników się zgadza. - Generally speaking, half of the workers agree.

It literally translates to "taking the thing generally." Ogólnie is the adverb "generally," rzecz means "thing," and biorąc is the present adverbial participle (meaning "taking") of the verb brać. Together, they form a fixed idiomatic phrase that Polish speakers use exactly like "generally speaking" in English.

Can I just say ogólnie mówiąc to mean "generally speaking"?

Yes, ogólnie mówiąc is perfectly correct and understood. However, ogólnie rzecz biorąc is an extremely common, slightly more sophisticated fixed phrase. At a B2 level, using rzecz biorąc for generalizations makes your Polish sound much more natural and native-like.

Why is the verb zgadza in the singular form if there are multiple workers agreeing?

The verb always agrees with the grammatical subject. In this sentence, the subject is połowa (half), which is a singular feminine noun. Because of this, the verb takes the third-person singular form zgadza się. The plural noun pracowników (of the workers) is just a genitive modifier, so it doesn't change the verb's conjugation.

What kind of word is biorąc and how do I recognize it?

Biorąc is a present adverbial participle, which you can easily spot by the -ąc ending. These words act like adverbs to describe how an action is performed, similar to "-ing" words in English when they frame a sentence (like "speaking" or "taking"). In this lesson, you will see them used heavily in fixed phrases that frame your attitude or make generalizations.