Roughly because the 53-day exercise questions are divided into three categories: basic questions, consolidation questions and improvement questions, which are more suitable for students. It is also very good for children to start with basic knowledge, including special training and special promotion. The above questions are closely combined with textbooks, which is also very beneficial to consolidate knowledge.

Introduction:

Primary school is a school where people receive primary formal education. It is an important part of basic education and belongs to nine-year compulsory education.

With the development of society, kindergartens have opened in front of it. Generally, children aged 6- 12 are of primary school age, and the length of primary school education at this stage is 6 years (or 5 years in a few places). After the primary education stage, it is the secondary education stage, that is, from primary school to junior high school (junior high school for short).