The present examination covers a wide range. Although it is not outstanding, it is comprehensive. The child is usually very serious, but he didn't do well in the exam, which means that he learned but didn't understand, so he can't draw inferences. Is it really a better way to use the number-sensing planet? There will be many different training methods for a knowledge point in this software, so that children can understand and master it and learn more problem-solving methods.

As for whether the second grade can come in time, the child is still young and should be in time. Moreover, the number sense planet can provide special exercises according to children's situation to help them make up for their shortcomings. It can be improved as long as it takes some time.