A great activity to engage students and build both their mathematical ability and confidence, based on Kagan cooperative learning.
Students have a card each and move around the room asking the question on their card to other students. The answer is also printed on their card so they can see if their partner has the right answer. If needed, they can use their understanding to coach their partner towards the right answer. Once both students have asked their question they trade cards and move on so each student has a variety of questions that they are asking to others.
This activity involves finding factors that forms the basis of factorising a quadratic expression. Or just for general factorising practice.