Area and Volume Form 1 Mathematics Chapter 7

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

Result of OBQ (Ch. 9) Result of Open Book Quiz Major Problems 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

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!!!!!!

Area of plane figures Different formula for areas

Area of parallelogram

Area of triangle

Area of trapezium

Calculating areas

Time for Practice Pages 10 – 11 of Textbook 1B Questions 5 – 18 Pages 1 – 3 of Workbook 1B Questions 1 – 5

Workbook

Workbook

Workbook 10 18 8 112 112 94 18 cm2

Workbook 18 6 3 cm 6 3 18 cm

Workbook

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

Enjoy the world of Mathematics! Ronald HUI