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INTRODUCTION TO COORDINATES

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Presentation on theme: "INTRODUCTION TO COORDINATES"— Presentation transcript:

1 INTRODUCTION TO COORDINATES
Form 1 Mathematics Chapter 8 INTRODUCTION TO COORDINATES

2 Reminder Lesson requirement Before lessons start Textbook 1B
Workbook 1B Notebook Folder Before lessons start Desks in good order! No rubbish around!

3 Reminder SHW (II), SHW (III), OBQ Correction Oral Re-Dictation CBQ
Today Oral Re-Dictation 5 Feb (Tue) – 7 Feb (Thu) CBQ 6 Feb (Wed) SHW (Chapter 8) Lunar New Year break

4 Coordinate System 炮二平五 馬8進7 傌二進三 砲8平9 傌八進七 車9平8 1 2 3 4 5 6 7 8 9
炮二平五 馬8進7 傌二進三 砲8平9 傌八進七 車9平8 九 八 七 六 五 四 三 二 一

5 Coordinate System Where is the disabled seats?

6 Rectangular coordinates
Developed by Descartes Also, know as Cartesian plane Two axes: x-axis and y-axis Both axes are directed number lines ( x , y ) represents a point with two values: x-coordinate and y-coordinate which are the corresponding distance along x-axis and y-axis

7 Rectangular coordinates
What is ( x , y )?

8 Rectangular coordinates
What are the coordinates of A, B and C?

9 Time for Practice Pages 40 – 42 of Textbook 1B
Questions 2 – 10 Pages 14 – 15 of Workbook 1B Questions 2 – 7

10 Reminder Oral Re-Dictation CBQ SHW (Chapter 8)
5 Feb (Tue) – 7 Feb (Thu) CBQ 6 Feb (Wed) SHW (Chapter 8) Lunar New Year break

11 Enjoy the world of Mathematics!
Ronald HUI


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