1, study hard: describe children's efforts and concentration in learning mathematics.

2. Get to the bottom of it: describe that children are good at thinking and exploring the essence of problems when learning mathematics.

3. Mastery: Describe that children can integrate the connection and understanding between different knowledge points when learning mathematics.

4. By analogy: describe that children can think of other related problems or knowledge points through a problem or knowledge point when learning mathematics.

5. Give inferences: Describe that children can infer other similar questions or answers through a question or an example when learning mathematics.

6. Practice makes perfect: It describes that children have mastered relevant knowledge and skills through a lot of practice when learning mathematics, and can solve problems more skillfully and accurately.

7, handy: describe the child's mastery of knowledge points when learning mathematics, and can easily cope with various mathematical problems and challenges.

8. Apply what you have learned: describe that children can apply what they have learned and skills to practical problems and solve practical problems when learning mathematics.

9. Excellence: It describes that children pursue higher standards and better grades when learning mathematics, and constantly improve their mathematical ability and level.

10, learning old knowledge: It describes that children can improve their mathematical ability and level by reviewing old knowledge points and discovering and understanding new knowledge points and connections.

How to use idioms well in writing articles;

1. Proper use: Using proper idioms in an article can increase the expressive force of the article, but be careful not to overuse it to avoid giving people the feeling of piling up words.

2. Accurate use: When using idioms, we should pay attention to their meaning and usage to ensure accurate use. If you are not sure about the meaning of an idiom, you'd better confirm its meaning and usage by looking it up in a dictionary.

3. Natural use: Use idioms naturally and smoothly in the article, and don't pile up words or use them stiffly. Idioms should be used appropriately according to the content and context of the article.

4. Highlight the key points: When using idioms in articles, we should pay attention to highlighting the key points and themes, so that readers can understand and feel the meaning of the articles more easily.

5. Combining context: When using idioms, we should pay attention to combining context to ensure that the meaning and usage of idioms are consistent with the content of the article, and do not let the meaning and usage of idioms contradict the content of the article.

6. Express clearly: When using idioms, try to be concise and clear, and don't use idioms that are too uncommon or unclear, so as not to confuse or misunderstand readers.

7. Style: When writing different types of articles, we should pay attention to using idioms that conform to the style of the article. For example, when writing formal business letters, we should avoid using too colloquial or irregular idioms.