Exercise books refer to books specially used by students or other learners to do homework and exercise books usually used as auxiliary teaching materials. Homework, "Ci Hai" explains: activities carried out in production and study to complete established tasks. However, educational dictionaries divide the assignments to complete learning tasks into two categories: classroom assignments and extracurricular assignments.

Classroom assignments are all kinds of exercises that teachers arrange for students to conduct tests in class. Homework is an independent learning activity that students carry out in their extracurricular time, and it is a method to test whether students have learned the knowledge points in class, usually homework.

Use:

Although there are only four Little Square in Tian Zige, in fact, every square is very famous. Every line, every square and every position in the square has its own name. Memorizing Tian Zige and remembering the names of each part is an important prerequisite for beginners to write.

After knowing "Tian Zige", it is an important link to appreciate Tian Zige's Chinese characters, which makes children feel that every word has its place and can't be placed at will. Left and right structure, up and down structure, semi-closed structure and so on. Only by gradually standardizing Tian Zige's Chinese characters can we lay a solid foundation for future Chinese learning.