Try mSpy Phone Tracker for Your Kid's Safety
Listen to this video. They are in class but they pretend they are in a shop. One girl buys a dress and the other one a pair of shoes. Listen to the question HOW MUCH IS IT? to ask for the price, and then see if you understand what the price is, and what discount they get. See the answers at the KEY.
dress = $ 100 with discount = $ 95
shoes = $ 25 with discount = $ 15