AREA AND VOLUME

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AREA AND VOLUME

• Form 1 Mathematics
• Chapter 7

2
Reminder

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

3
Result of OBQ (Ch. 9)

• Result of Open Book Quiz
• Full mark 40 and 10 bonus
• Highest 43
• Lowest 9
• Average 28.6
• Number of students between 10 19 3
• Number of students between 0 9 1
• Major Problems
• Cannot get the coordinates in transformation
• Cannot get the number of symmetry correctly
• Cannot draw the points exactly

4
Result of OBQ (Ch. 9)

• Result of Open Book Quiz
• 9th place LIN Long Chak, Vincent
• 8th place HUNG Nok Yin, Angus
• 7th place CHAN Tsz Long, Sam
• 6th place YUEN Tin Wai, Timmy
• 4th place FU Ling Yin, Larry
• LAU Chun On
• 1st place LI Ming Chun, Edward
• LI Sai Kong
• WU SHAN Hao Yi
• Congratulations!!!!!! Well done!!!!!!

5
Area of plane figures

• Different formula for areas

6
Area of parallelogram
7
Area of triangle
8
Area of trapezium
9
Calculating areas
10
Time for Practice

• Pages 10 11 of Textbook 1B
• Questions 5 18
• Pages 1 3 of Workbook 1B
• Questions 1 5

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WORKBOOK
12
WORKBOOK
13
WORKBOOK
10
18
8
112
112
94
18
cm2
14
WORKBOOK
18
6
3 cm
6
3
18 cm
15
WORKBOOK
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Reminder

• Missing Homework, Re-do Homework
• Today!
• Close Book Quiz (Chapter 9)
• 19 Mar (Tue)
• SHW (I)
• 20 Mar (Wed)
• SHW (II)
• 22 Mar (Fri)
• Open Book Quiz
• 22 Mar (Fri)
• Close Book Quiz
• 26 Mar (Tue)

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• Enjoy the world of Mathematics!