MATH 9# Volume 1 – CD – Theory
MATH 9 TEXTBOOK – Canh Dieu Publishing House. TUTBook™ – xBook: Infinite Experience within Every Mathematics Page. The Math 9 Textbook, Volume 1 is no longer just silent paper pages. With the xBook platform, each lesson…
MATH 9 TEXTBOOK – Canh Dieu Publishing House.
TUTBook™ – xBook: Infinite Experience within Every Mathematics Page
The Math 9 Textbook, Volume 1 is no longer just silent paper pages. With the xBook platform, each lesson, each formula is "unlocked" into a multi-dimensional experience:
From Theory to Visual Simulation
+ Theorems and formulas such as metric relations in a triangle, graphs of linear and quadratic functions, or radical expressions are all digitized.
+ Students can view dynamic models, live graphs, or drag-and-drop to change parameters and observe the results.
Integration of Games and Challenges
+ After each formula, there is a mini game: quickly guess the equation's solution, match the correct graph, or calculate the geometric area through direct manipulation.
+ Gamification helps increase concentration and turns Mathematics into a journey of discovery.
Practical Application & Interdisciplinary Connections
+ Math 9 is connected with Physics (motion, force), Chemistry (reaction rates), Biology (growth), Economics (interest rate, break-even problems).
+ Formulas are not only for solving exercises but also for explaining real-world phenomena, linking to future careers.
Community & Learning Data
+ Each student has a K12 authenticated account, scanning QR codes to save progress.
+ Teachers and parents track learning outcomes through detailed reports (quiz scores, completion time, accuracy rate).
Security & Copyright
The printed Math 9 Textbook is affixed with QR + ISBN + serial number, which helps protect copyright and ensure the authenticity of the learning materials.
Outstanding Value when learning Math 9 Textbook via xBook:
+ Easier to understand: not just reading formulas but also seeing – touching – playing with Math.
+ Longer retention: learning through images, simulations, and hands-on experience.
+ Broader application: from the classroom to real life, from solving exercises to scientific understanding.
+ Comprehensive connection: students – teachers – parents – publishers all participate in a single digital learning ecosystem.
This will be the revolutionary Math 9 Textbook – Volume 1 edition: transforming from a traditional textbook into a new-generation interactive book, developed by TUTBook™ on the xBook platform.
CHAPTER I. LINEAR EQUATIONS AND SYSTEMS OF LINEAR EQUATIONS
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- Equations Reducible to Linear Equations in One Variable
- Linear Equations in Two Variables. Systems of Two Linear Equations in Two Variables
- Solving Systems of Two Linear Equations in Two Variables
CHAPTER II. INEQUALITIES. LINEAR INEQUALITIES IN ONE VARIABLE
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- Bất đẳng thức
- Bất phương trình bậc nhất một ẩn
- Bài tập cuối chương II
CHAPTER III. RADICAL EXPRESSIONS
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- Căn bậc hai và căn bậc ba của số thực
- Một số phép tính về căn bậc hai của số thực
- Căn thức bậc hai và căn thức bậc ba của biểu thức đại số
- Một số phép biến đổi căn thức bậc hai của biểu thức đại số
CHAPTER IV. METRIC RELATIONS IN A RIGHT TRIANGLE
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- Tỉ số lượng giác của góc nhọn
- Một số hệ thức về cạnh và góc trong tam giác vuông
- Ứng dụng của tỉ số lượng giác của góc nhọn
CHAPTER V. THE CIRCLE
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- Đường tròn. Vị trí tương đối của hai đường tròn
- Vị trí tương đối của đường thẳng và đường tròn
- Tiếp tuyến của đường tròn
- Góc ở tâm. Góc nội tiếp
- Độ dài cung tròn, diện tích hình quạt tròn, diện tích hình vành khuyên
- 5 Sections
- 5 Lessons
- 10 Weeks
- CHAPTER I. LINEAR EQUATIONS AND SYSTEMS OF LINEAR EQUATIONS
The main content of this chapter focuses on exploring and applying methods for solving problems of the form:
- Equations reducible to first-degree equations in one variable: These are equations that may seem complex at first but can be transformed into the basic form ax + b = 0 to determine the value of the variable x.
- First-degree equations in two variables and systems of two first-degree equations in two variables: These problems involve two variables (x, y) and are represented by two equations. Solving the system allows us to find both values of x and y at the same time, satisfying both equations simultaneously.
Applications and significance when learning
Mastering knowledge of first-degree equations and systems of first-degree equations is extremely important and meaningful, not only in learning but also in real-life situations:
- Solving real-life problems: Most issues, from simple to complex in life, such as calculating costs, allocating resources, or determining area and volume, can be modeled and solved using equations. For example, calculating the area of a piece of land is an application of equations.
- Developing logical thinking and problem-solving skills: Learning how to set up and solve equations helps you practice analytical skills, logical thinking, and approach a problem systematically.
- A foundation for higher-level mathematics knowledge: Knowledge of first-degree equations is a solid foundation for learning more complex types of equations and inequalities later on, such as quadratic equations, exponential equations, logarithmic equations, and systems with more variables.
In summary, studying this chapter provides you with a powerful tool to solve problems, not only in Mathematics but also in many other fields of science and everyday life.
5- 1.11# Equations reducible to first-degree equations in one variable (Grade 9 – Cánh Diều Publishing House)
- 1.21#1.1 Simulation of the formula in the form ax + b = 0
- 1.31#2 Simulation of formulas in the form (ax+b)(cx+d)=0
- 1.41#1.2 Simulation of the formula in the form ax+b=0
- 1.51#2.1 Simulation of the formula in the form (ax+b)(cx+d)=0
- CHAPTER II. INEQUALITIES. LINEAR INEQUALITIES IN ONE VARIABLE0
- CHAPTER III. RADICAL EXPRESSIONS0
- CHAPTER IV. METRIC RELATIONS IN A RIGHT TRIANGLE0
- CHAPTER V. THE CIRCLE0
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