The third and fourth grades are the key period of application problems, so many students will expose their problems at this time. In fact, their analytical ability was not well cultivated before, so it was exposed at this time. It's not that children don't like to use their brains, but after reading the questions, they don't analyze the quantitative relationship in the questions. They need to read more questions and practice analyzing the quantitative relationship of questions. Secondly, they should strengthen their Chinese skills to cultivate their analytical ability. You can go to the new oriental bubble children's math class to improve your ability.