Basic concepts of mathematics
The basic concept of mathematics is the starting point of junior high school mathematics learning. In the e-books of junior high school mathematics textbooks, the basic concepts of mathematics include the concept of number, integer, fraction, decimal, real number and so on. Students need to master the comparison of numbers, the four operations of numbers, the simplification of fractions and the addition, subtraction, multiplication and division of decimals. In the process of learning mathematics, we should pay attention to understanding the concept of mathematics, master the language and symbols of mathematics, and cultivate the ability of mathematical thinking and logical thinking.
Elementary operation
Basic operations are the basis of junior high school mathematics learning, including four operations of addition, subtraction, multiplication and division. In the e-book of junior high school mathematics textbook, the basic operations include integer addition, subtraction, multiplication and division, fraction addition, subtraction, multiplication and division, decimal addition, subtraction, multiplication and division and so on. Students need to master the operation methods and laws of various operations, understand the essence and significance of operations, and cultivate their computing ability and thinking ability.
algebraic expression
Algebraic expression is an important content of junior high school mathematics learning and an expression of mathematics. In the e-book of junior high school mathematics textbook, the contents of algebra include the concept of algebra, addition, subtraction, multiplication and division of algebra, simplification of algebra and so on. Students need to master the basic concepts and symbols of algebra, the arithmetic rules of algebra, and the simplification methods of algebra. To cultivate algebraic thinking and the ability to solve practical problems.
equation
Equation is an important part of junior high school mathematics learning and a mathematical tool to solve practical problems. In the E-book of the first grade mathematics textbook, the contents of equations include one-dimensional linear equation, one-dimensional quadratic equation, fractional equation and so on. Students need to master the concept of equation, the solution of equation and the application of equation in practical problems, and cultivate the ability to solve practical problems and innovative thinking.
plane geometry
Plane geometry is an important part of junior high school mathematics learning, and it is a branch of mathematics that studies the properties and changes of plane graphics. In the junior high school mathematics textbook e-book, the content of plane geometry includes the concepts of point, line and surface, the nature of plane graphics, the transformation of plane graphics and so on. Students need to master the basic concepts and theorems of plane geometry, the classification and properties of plane graphics, the transformation methods of plane graphics, and cultivate geometric thinking and spatial imagination.
solid geometry
Solid geometry is an important part of junior high school mathematics learning, and it is a branch of mathematics that studies the properties and changes of solid graphics. In junior high school mathematics textbook e-books, the content of solid geometry includes the concept, nature and projection of solid graphics. Students need to master the basic concepts and theorems of solid geometry, the classification and properties of solid graphics, and the projection methods of solid graphics. To cultivate geometric thinking and spatial imagination.
Statistics and probability
Statistics and probability is an important part of junior high school mathematics learning, and it is a branch of mathematics that studies the collection and analysis of data and the probability of events. In the e-book of junior one mathematics textbook, the contents of statistics and probability include data collection and arrangement, data analysis and processing, probability calculation of events and so on. Students need to master the basic concepts and methods of statistics and probability, data analysis and processing skills, probability calculation methods of events, etc. , cultivate their own data analysis and judgment ability.
final result
E-book is the mathematics teaching material for junior high school students and the basis of junior high school mathematics learning. They cover all the knowledge points of junior high school mathematics and are necessary tools for junior high school mathematics learning. Students can master basic mathematics knowledge and problem-solving methods by studying the e-books of junior one mathematics textbooks, laying a solid foundation for further study in the future. At the same time, students need to pay attention to the cultivation of mathematical thinking and logical thinking, and pay attention to the application and practice of mathematical knowledge in order to truly grasp the essence of mathematics.