Matching Pairs Keynote Advanced U4: GrammarOnline version Students will practice expressions used for approximation. by Carlos Rincon 1 How many tickets do we need to buy to get a group discount? 2 What does Ken Arnold look like? 3 How many people came to the presentation? 4 What's in the bag? 5 Was the factory tour interesting? 6 Who was that on the phone? He's tallish, about 40. It was actually kind of frustrating because I couldn't hear the guide. Roughly twenty. My stuff. Some sales representative from an office supplies company. As few as ten, according to their website.