16. 1 score

16.2 decimal operation

Reading and thinking: Can the water in the container be emptied?

16.3 fractional equation

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Review questions 16

Chapter 17 Inverse proportional function

17. 1 inverse proportional function

Using information technology to explore the properties of inverse proportional function

17.2 practical problems and inverse proportional functions

Reading and thinking are inversely proportional in life.

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Review questions 17

Chapter 18 Pythagorean Theorem

18. 1 Pythagorean theorem

Proof of Pythagoras Theorem in Reading and Thinking

Inverse Theorem of Pythagorean Theorem 18.2

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Review questions 18

Chapter 19 Quadrilateral

19. 1 parallelogram

Reading and thinking parallelogram rule

19.2 Special parallelogram

Experiment and Exploration of Cleverly Splicing Blocks

19.3 trapezoid

Observe and guess the special quadrilateral in the plane rectangular coordinate system

19.4 key points of project learning

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Review questions 19

Chapter 20 Data Analysis

20. 1 representative of data

20.2 data fluctuation

The application of information technology uses computers to calculate some statistical data.

Several measurement methods of reading thinking data fluctuation

20.3 Data Analysis in Physical Fitness Test of Project Learning

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Review question 20