Congruence and Similarity Form 1 Mathematics Chapter 11

Reminder Lesson requirement Before lessons start Textbook 1B Workbook 1B Notebook Before lessons start Desks in good order! No rubbish around! No toilets! Keep your folder at home Prepare for Final Exam

Result of OBQ (Ch. 12) Result of Open Book Quiz Major Problems Full mark: 40 and 10 bonus Highest: 47 Lowest: 17 Average: 30.0 (Highest!) Number of students between 10 – 19: 2 Number of students between 0 – 9: 0 Major Problems No tools for measuring angles! Calculate the angle and % wrongly Try to do bonus! Sometimes it might be easy!

Result of OBQ (Ch. 12) Result of Open Book Quiz 9th place: LAU Chun On 8th place: CHEN Yi, David 7th place: FU Ling Yin, Larry 6th place: CHAN Tsz Long, Sam 5th place: WU SHAN Hao Yi 4th place: YUEN Tin Wai, Timmy 3rd place: LIN Long Chak, Vincent 2nd place: LAM Long Yin, Ken 1st place: LI Sai Kong Congratulations!!!!!! Well done!!!!!!

Result of CBQ (Ch. 12) Result of Close Book Quiz Major Problems Full mark: 40 and 10 bonus Highest: 49 Lowest: 19 Average: 33.0 (Better Highest!) Number of students between 10 – 19: 1 Number of students between 0 – 9: 0 Major Problems Put the “leaf” in order! Calculate the angle and % carelessly Write (Copy) the correct title of the diagram

Result of CBQ (Ch. 12) Result of Close Book Quiz 8th place: LAW Cheuk Hang Ellis TANG Yiu Cheung Harald 7th place: FU Ling Yin, Larry 6th place: CHEN Yi, David 5th place: LI Ming Chun, Edward 4th place: LAM Long Yin, Ken 3rd place: LI Sai Kong 2nd place: YUEN Tin Wai, Timmy 1st place: WU SHAN Hao Yi All got 40 marks!!! Congratulations!!!!!! Well done!!!!!!

Result of CBQ (Ch. 12) Result of Close Book Quiz – greatest improvement 7th place: NG Ho Hei, Nicholas TSUI Wing Chak, Gabriel WU SHAN Hao Yi 4th place: CHAN Wa Pan, Ben CHOI King Shing, Walker TANG Yiu Cheung Harald 3rd place: CHOW Cheuk Man Champan 2nd place: LAW Cheuk Hang Ellis 1st place: KO Ka Chung Boston Congratulations!!!!!! Well done!!!!!!

Congruence (全等, p.172) Congruent figures (全等圖形) 1. Figures having the same shape and size are called congruent figures. e.g. Figures X and Y below are congruent figures. X Y 2. Two congruent figures can fit exactly on each other.

Time for Practice Page 173 of Textbook 1B Class Practice Pages 176 – 177 of Textbook 1B Questions 1 – 2 Page 73 of Workbook 1B Question 1

Reminder Missing HW SHW (I) SHW (II) OBQ CBQ Detention 8th May (Wednesday) SHW (II) 14th May (Tuesday) OBQ 15th May (Wednesday) CBQ 20th May (Monday)

Enjoy the world of Mathematics! Ronald HUI