talk about experencies in the past

bernat-Hey enric how was your  weekend?
enric- Not bad, thanks
bernat What did you do?
enric Oh I just do my math homework all weekend. What about you?
bernat I go to play scalextric it was fantastic. when did you last play scalextric?
enric I don't now, maybe a month ago
bernat How was it?
enric Very good. Let's play next weekend.
bernat OK, great. See you then.
enric  Bye, bernat see you later.