Laziness and playfulness are children's nature. He is only in the fifth grade of primary school, and it is time to correct his children's good habits. You should patiently guide and cultivate his interest in learning, read him some easy-to-understand learning allusions, and don't feel the pressure of learning. When teaching him to study, you should guide his thinking, analyze the meaning of the question and make the topic easy to understand. This may make it easier for him to accept, so you should try this method.