1, "Little Bear Learn Mathematics" series: This is a set of mathematics reading books featuring cute little bear, with interesting and vivid contents, suitable for junior two students. Including addition and subtraction, shape, time, fractions and other basic mathematical knowledge.

2, "Mathematical Story" series: This set of books takes the story as the main line, skillfully integrates mathematical knowledge into it, and lets children learn mathematical concepts in reading. Each book deals with different mathematical topics, such as the size of numbers, simple geometric shapes and so on.

3. Adventures in the Kingdom of Mathematics: This series of books guides children to explore and learn mathematical concepts, such as numbers and counting, graphics and space, time and orientation, through a fantastic adventure story in the Kingdom of Mathematics. The story is interesting and can stimulate children's interest in learning.

4. "Adventures in the Mathematical World" series: This set of books tells stories with wonderful mathematical topics and problem-solving skills, and guides children to learn mathematics knowledge through plot advancement. The content includes addition, subtraction, multiplication, division, fraction and so on. , suitable for second-year students.

5. "Mathematical Starlet" series: This set of books focuses on a group of people with distinctive personalities and helps children understand basic mathematical concepts and problem-solving methods through interesting storylines. Contents include numbers and counting, simple geometry, clock reading, etc.

Characteristics of the second grade

1, learning ability: Senior two students have strong learning ability, can better understand the information conveyed by teachers and parents, and gradually get used to making decisions and solving problems by themselves.

2. Adaptability: Junior two students gradually adapt to the rules and regulations of the school, can complete the tasks assigned by teachers, and can abide by the basic rules of public places.

3. Physical development: The physical development of junior two students is relatively stable and their physique is getting stronger and stronger. Most students can already pay attention to personal hygiene and daily eating habits.

4. Social skills: The second-year students' social skills are constantly enhanced, and they can start to establish trust and friendship between friends, like to share happiness, success and difficulties with their peers, and develop in a healthy and balanced way.

5. Language development: The second-year students' language expression ability has been further improved. They can communicate and express in more fluent and accurate language, describe their feelings and thoughts, and understand the thoughts and intentions of others.

6. Interest in knowledge: The second-year students have deepened their understanding of the world, have a wide range of interests, dabble in music, art, sports, natural science and other fields, and have a strong curiosity about new things and new knowledge.