Preface of series
The first chapter is a rich graphic world.
The first section three-dimensional graphics in life
Section 2 Unfolding and Folding
Section 3 Cutting Geometry
The fourth quarter comes from different directions.
Section 5 Plane Graphics in Life
Summary of this chapter
Unit knowledge detection
Chapter II Rational Numbers and Their Operations
Why are there not enough first sections?
Second section axis
Absolute value in the third quarter
Section 4 Addition of Rational Numbers
Section 5 subtraction of rational numbers
Section 6 addition and subtraction mixed operation of rational numbers
Seventh water saving level change
Section 8 Multiplication of Rational Numbers
Section 9 Division of Rational Numbers
Section 10 Power of Rational Numbers
Section 11 Mixed Operation of Rational Numbers
Section 12 Use of Calculator
Summary of this chapter
Unit knowledge detection
Chapter III Letter Representation of Numbers
What does the first letter mean?
Section 2 Algebraic Expressions
Section 3 Algebraic Evaluation
Section IV Merger of Similar Projects
Section 5 Support Removal
Section 6 Exploring the Law
Summary of this chapter
Unit knowledge detection
Chapter IV Plane Figures and Their Positional Relations
Section 1 Line segments, rays and straight lines
The second part compares the lengths of line segments.
Measurement and representation of the third section angle
Section 4 Angle comparison
Section 5 Parallelism
Section 6 Vertical
Section 7 Interesting jigsaw puzzles
Section 8 Pattern Design
Summary of this chapter
Unit knowledge detection
Chapter 5 One-variable linear equation
How old are you this year?
Section 2 Solving Equations
The equation in the calendar in the third quarter
I gained weight in the fourth quarter
Section 5 Discount Sales
Section VI Performance of "Hope Project"
Can you catch up with Xiaoming in the seventh season?
Section 8 Education savings
Summary of this chapter
Unit knowledge detection
Chapter VI Data in Life
Section 1 Understanding 1 10,000
Section 2 Scientific symbols
Section 3 Industry Statistics Chart
Is there water on the moon?
Section 5 Selection of Statistical Charts
Summary of this chapter
Unit knowledge detection
Chapter VII may be born
Do we have to touch the red ball in the first quarter?
The second quarter turntable game
In the third quarter, who turned four digits?
Summary of this chapter
Unit knowledge detection
Mid-term exam questions
Final test question
Answer and analysis
brief Introduction of the content
With the deepening of the reform of the education system, new standards have been put forward for the teaching of various subjects in middle schools, and teachers and students urgently need a synchronous teaching reference book that can not only guide the optimization of class hours but also strengthen training. To this end, we have carefully planned and compiled a series of teaching materials "Optimization and Practice of Important and Difficult Courses".
This series of books has the following characteristics:
Based on the new curriculum standard, facing the examination outline;
In writing, according to the requirements of the new curriculum standard and examination syllabus, combined with the actual needs of teaching, a brand-new writing style is designed, various exercises are carefully written, and the ability training is emphasized, which stimulates students' learning potential.
Highlight key points and break through difficulties;
This series focuses on making students have a systematic and orderly understanding of what they have learned, so as to build a clear knowledge network. When we grasp the difficulty of exercises, we follow the principle that the topics with medium or above difficulty account for about 60% of the whole book, and some simple and easy-to-master contents involve less.
Connecting with the college entrance examination, emphasizing comprehensive thinking ability;
This series grasps the future trend of college entrance examination, locates the hot spots of review, and all exercises are close to the real questions of the exam, making the training more targeted and effective, striving to save students' time and improve learning efficiency. In order to achieve the teaching goal of cultivating students' flexible use of knowledge in the new curriculum standard, this series breaks through the difficulties and introduces multiple comprehensive questions to help students cultivate their comprehensive thinking ability in the process of synchronous learning.
Emphasize practicality and innovation;
Most series subjects have "mid-term questions" and "final questions", and most mathematics subjects are equipped with "unit knowledge testing". Considering the special needs of subjects and grades, some books also have highly practical contents such as appreciation of novel topics, extracurricular innovative topics, and college entrance examination clicks. Students can practice under the guidance of teachers in class or after class, or take exams alone. With reference to our carefully designed topics, I believe that students' ability can be improved step by step.
In short, this series is carefully planned and compiled for the majority of students from a middle and high position, and strives to meet the needs of teaching and learning.
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