This is the 3235th most frequent Polish word.
sprawdzać
"Sprawdzać" means "to check" or "to verify."
The word 'sprawdzać' is used here to mean 'to check' as in to verify or review something, in this case, homework.
Sprawdzam zadanie domowe.
I am checking the homework.
The word 'sprawdzać' is used here as an imperative form 'sprawdź,' meaning 'to verify' in context of checking a condition, such as whether the door is closed.
Sprawdź, czy drzwi są zamknięte.
Check if the door is closed.
The word 'sprawdzać' is used here to mean 'to look up' or 'ascertain' relevant information, such as checking a bus schedule.