This high-energy, low-tech game can be used in any subject area and is perfect for a review. It goes like this: 

• You ask your class a question. In groups, students agree on an answer and write it on a piece of paper (one paper per group).
• At your signal, all groups hold up their answers at the same time.
• Every group that answers correctly sends one student up to the front of the room with their paper.
• They crumple it up and shoot it into the trash can.
• If they make it in, their team gets a point. The team with the most points at the end of the game winsIt