1. Numbers and Algebra:

Integer and Fraction: In-depth study of integer operation, addition, subtraction, multiplication and division of fractions, and conversion between fractions and decimals.

Algebraic sum equations: solving linear equations, column equations, solving equations, function concepts, etc.

2. Geometry and graphics:

Plane graphics and space graphics: including the properties of various polygons and circles, the understanding and calculation of three-dimensional graphics, etc.

Geometric transformation: learn basic geometric transformations such as translation, rotation and symmetry.

3. Data and probability:

Statistics and Probability: Collect, collate and analyze data, and learn the basic concepts and applications of probability.

4. Solve practical problems:

Practical problem and problem-solving ability training: emphasize the application of mathematical knowledge to the solution of practical problems and cultivate students' problem-solving ability.

5. Evaluation and testing:

A variety of exercises and tests: including multiple-choice questions, fill-in-the-blank questions, calculation questions, application questions, etc. Used to test students' mastery of knowledge.

6. Charts and images:

Analysis and understanding of charts and images: present data through charts and images, so that students can learn to read and analyze relevant information.

E-books may combine text, charts, animations, videos and other forms to present mathematical knowledge more vividly, so that students can better understand and master knowledge points. It may also be equipped with exercises, examples, homework and other auxiliary content to help students consolidate their knowledge.

These contents may vary with publishers, textbook versions and regions, and the specific contents may need to refer to the corresponding publications or materials provided by educational institutions.