This is the 3066th most frequent Polish word.
poprawy
"Poprawy" means "improvement" or "correction" in English.
Here, 'poprawą' refers to 'improvement' in the sense of enhancing quality. It's a noun instrumental case.
Pracujemy nad poprawą jakości naszych usług.
We are working on improving the quality of our services.
In this case, 'Poprawy' represents 'improvements', used in plural form as a subject.
Poprawy w nauce matematyki wymagają systematyczności i zaangażowania.
Improvements in learning mathematics require consistency and commitment.
Here 'poprawy' is in the genitive case singular, meaning 'of improvement'. It specifies the effect related to improvement.