The teacher expects students to take a large share in the pursuit of one another's suggestions. Several others add possible combinations. Let's make a table. Mrs. Fondant looks expectantly at the group. That makes 33 points.
Students support their ideas and solutions in response to others' challenges or counterarguments.
Students search for patterns and question inconsistencies that puzzle them. They are key participants in the discourse. Another student suggests redoing the table so that the combinations are in order. Maybe we'll see a combination we missed. The teacher asks him to come up and do that.