introduction to coordinates form 1 mathematics chapter 8
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INTRODUCTION TO INTRODUCTION TO COORDINATESCOORDINATES
Form 1 MathematicsChapter 8
ReminderReminder Lesson requirement
◦ Textbook 1B◦ Workbook 1B◦ Notebook◦ Folder
Before lessons start◦ Desks in good order!◦ No rubbish around!
ReminderReminder Oral Re-Dictation
◦ 5 Feb (Tue) – 7 Feb (Thu) CBQ
◦ 6 Feb (Wed) SHW (Chapter 8)
◦ Lunar New Year break
Rectangular coordinatesRectangular coordinates What is ( x , y )?
Rectangular coordinatesRectangular coordinates What are the coordinates of A, B
and C?
Rectangular coordinatesRectangular coordinates Quadrant (象限 )
Time for PracticeTime for Practice Pages 40 – 42 of Textbook 1B
◦ Questions 2 – 10 Pages 14 – 15 of Workbook 1B
◦ Questions 2 – 7
Polar coordinates (p.58)Polar coordinates (p.58) Locate the position from a fixed
point
Polar coordinates (p.58)Polar coordinates (p.58) One axis:
x-axis (polar axis) ( r , ) represents
a point with 2 values: radius vector and polar angle which are the corresponding distance (r) from the pole (0) and the anti-clockwise angle () from the polar axis
Polar coordinates (p.58)Polar coordinates (p.58) Radar Heyuan( 河源 ) is(3.3, 70)
Macau( 澳門 ) is(1.4, 190)
Guangzhou( 廣州 ) is (2.5, 130)
Polar coordinates (p.58)Polar coordinates (p.58)
Time for PracticeTime for Practice Pages 63 – 64 of Textbook 1B
◦ Questions 1 – 6 Pages 25 – 16 of Workbook 1B
◦ Questions 1 – 4
ReminderReminder Oral Re-Dictation
◦ 5 Feb (Tue) – 7 Feb (Thu) CBQ
◦ 6 Feb (Wed) SHW (I) and SHW (IV)
◦ 25 Feb (Mon)
Enjoy the world of Mathematics!
Ronald HUI
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