YOU SAID:
きのう なん ますじ はたらきましたか
INTO JAPANESE
きのう なん ますじ はたらきましたか
BACK INTO ENGLISH
How many jobs did you work yesterday?
INTO JAPANESE
昨日はいくつ仕事をしましたか?
BACK INTO ENGLISH
How much work did you do yesterday?
INTO JAPANESE
昨日はどれくらい仕事をしましたか?
BACK INTO ENGLISH
How much work did you do yesterday?
That didn't even make that much sense in English.