Here are the links to the activities the lesson was based
around:
https://learnenglishteens.britishcouncil.org/uk-now/read-uk/international-womens-day
https://learnenglishteens.britishcouncil.org/uk-now/read-uk/international-womens-day
The last link, about Emma Watson and He for She, is aimed at B2 students, so you did well to do that! :)
Homework: Do the reading exercises on pages 66 and 67 of the student's book.