In this file, we present 6 wonderful exercises( examples) that address a lot of knowledge in mathematics, such as square roots, fractions( simplify), solving first-degree equations and simple second-degree equations, as well as propagation and simplification. The exercises are carefully selected to be of a slightly advanced level and are worth trying to increase the students' abilities. If you are a teacher or a parent, this file will help you improve your students’ abilities, so it can be submi