When buying test papers in primary schools, the top rankings are scholar sharp knife roll, Huanggang 100 sprint roll, all-round practice test paper, 5.3 daily exercises and scholar notes. The following is a detailed introduction of some test papers:

1, "Famous School Sharp Knife Volume". It features test books, test books, evaluation books and analysis books, and pays attention to test center analysis and targeted training.

2. Huanggang 100 sprint volume. This set of papers attracts children's attention with color printing and rich questions, and is suitable for laying a solid foundation through a lot of practice.

3. "All-round Practice Test Paper". It is characterized by the addition of "weekly test paper", the refinement of test sites and the addition of "pupils' oral arithmetic problem card", which is suitable for students who need to strengthen mathematics practice.

4. In addition, there is the secret report of Huanggang, the final sprint 100, a lesson for talents, a lesson for practice, etc. These papers have their own characteristics and are suitable for the needs of different students. For example, Huanggang secret volume focuses on problem solving and exercises, which is suitable for students who need to improve their problem solving ability. The final sprint 100 contains a variety of simulated test papers, which are suitable for students preparing for the final exam. Choosing the right test paper should be based on the children's learning situation, needs and preferences, and at the same time consider whether the difficulty and content of the test paper match the children's learning level.