The first chapter is a rich graphic world.
1. Stereo graphics in life
Step 2 unfold and fold
3. Cutting geometry
Look at the problem from different angles
5. Plane graphics in life
Chapter II Rational Numbers and Their Operations
1. Why is the quantity insufficient?
2. Counting axis
3. Absolute value
4. Addition of rational numbers
5. Rational number subtraction
6. Addition and subtraction mixed operation of rational numbers
7. Changes in water level
8. Rational number multiplication
9. Division of rational numbers
10. Power of rational number
1 1. Mixed operation of rational numbers
12. Use of calculator
Chapter III Letter Representation of Numbers
What does the letter 1. mean?
2. Algebraic expressions
3. Algebraic evaluation
4. Merge similar projects
Remove brackets
Explore the law
Chapter IV Plane Figures and Their Positional Relations
1. Line segments, rays and lines
2. Compare the lengths of line segments
3. Angle measurement and representation
4. Angle comparison
parallel
6. vertical
7. Interesting jigsaw puzzle
Chapter 5 One-variable linear equation
1. How old are you this year?
2. Solve the equation
3. Equations in the calendar
4. I'm getting fat
Discount sale
6. "Project Hope" benefit performance
7. Can you catch up with Xiaoming?
8. Education savings
Chapter VI Data in Life
1. Understand 1 10,000
2. Scientific symbols
3. Fan chart
4. Do you have confidence?
5. Selection of statistical charts
Chapter VII Possibility
1. Do I have to touch the red ball?
2. Roulette game
3. Who transferred the "four digits"