The teacher divides students into teams and gives each team a math exercise sheet to solve within a time limit. The first team to correctly solve at least 8 out of 10 problems wins x points. The teacher also has a set of math problems - the first team to correctly solve all problems wins y more points. The members of the winning team, with the most total points, each receive an extra point added to their grade.

1. SOLUTION GAME (for maths class)
Teacher and assistant divide the class into different teams (4 or 5 students per team).
They give each team an exercise sheet to solve within a time limit. The first team to solve it
correctly (e.g. at least 8 correct answers out of 10) and in time, is assigned x points.
Teacher and assistant also prepared a set of (e.g. five) maths problems. They give the first one to
each team. When the members of a team gets to solve it correctly, they obtain the following
problem, and so on. The first team to solve all the problems is awarded y more points.
The members of the winning team (i.e. the team having the most points) are awarded one extra
point in their grade.