1. Mathematics Ronald Hui Tak Sun Secondary School

2. Ronald HUI Reminder Dictation 2 Dictation 2 Today! Today! Correction of Open Book Quiz, Standard Homework (II) & (III) Correction of Open Book Quiz, Standard Homework (II) & (III) Deadline: Today! Deadline: Today! Closed Book Quiz (Chapter 0) and Folder Checking Closed Book Quiz (Chapter 0) and Folder Checking 26 Sep (Wed) 26 Sep (Wed)

3. Ronald HUI Dictation 2 Numbers in words Numbers in words One, Two Three, Four, Five, Six, Seven, Eight, Nine, Ten One, Two Three, Four, Five, Six, Seven, Eight, Nine, Ten Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen Twenty, Thirty, Forty, Fifty, Sixty, Seventy, Eighty, Ninety, Hundred, Twenty, Thirty, Forty, Fifty, Sixty, Seventy, Eighty, Ninety, Hundred, Thousand, Million, Billion, … Thousand, Million, Billion, …

4. Ronald HUI Dictation 2 Are you ready? Are you ready? Please write out the following numbers in English Please write out the following numbers in English 1.12 1.12 2.24 2.24 3.36 3.36 4.48 4.48 5.96 5.96

5. Ronald HUI Dictation 2 Please write out the following numbers in English Please write out the following numbers in English 6.13 6.13 7.52 7.52 8.65 8.65 9.78 9.78 10.88 10.88 11.1234 11.1234 12.12345 12.12345

6. Ronald HUI Dictation 2 Can you get them all? Can you get them all? Let’s have a look on answers Let’s have a look on answers 1.12Twelve 1.12Twelve 2.24Twenty-four 2.24Twenty-four 3.36Thirty-six 3.36Thirty-six 4.48Forty-eight 4.48Forty-eight 5.96Ninety-six 5.96Ninety-six

7. Ronald HUI Dictation 2 Can you get them all? Can you get them all? 6.13Thirteen 6.13Thirteen 7.52Fifty-two 7.52Fifty-two 8.65Sixty-five 8.65Sixty-five 9.78Seventy-eight 9.78Seventy-eight 10.88Eighty-eight 10.88Eighty-eight

8. Ronald HUI Dictation 2 Can you get them? Can you get them? 11.1234(1,234) 11.1234(1,234) One Thousand Two Hundred and Thirty-four 12.12345(12,345) 12.12345(12,345) Twelve Thousand Three Hundred and Forty-five “,” is called separator “,” is called separator

9. Ronald HUI Mathematics nearby Numbers in Chinese Numbers in Chinese 壹, 貳, 參, 肆, 伍, 陸, 柒, 捌, 玖, 拾 壹, 貳, 參, 肆, 伍, 陸, 柒, 捌, 玖, 拾 佰 Hundred 佰 Hundred 仟 Thousand 仟 Thousand 萬 Ten Thousand 萬 Ten Thousand 百萬 Million 百萬 Million 億 Hundred Million 億 Hundred Million 兆

10. Ronald HUI Mathematics nearby In the English Premier League ( 英國超級聯賽 ), there are 20 football teams. In the English Premier League ( 英國超級聯賽 ), there are 20 football teams. Each will play with every other in a home match ( 主場 ) and an away match ( 作客 ). Each will play with every other in a home match ( 主場 ) and an away match ( 作客 ). How many matches are there in the League every year? How many matches are there in the League every year?

11. Ronald HUI Mathematics nearby 20 teams in total 20 teams in total Every team got 19 opponents Every team got 19 opponents The number of matches in a session is: 20 x 19 The number of matches in a session is: 20 x 19 = 380

12. Ronald HUI Mathematics nearby 20 teams in total 20 teams in total Every week has 10 matches Every week has 10 matches Every team got 19 opponents Every team got 19 opponents Home and visit are 2 matches Home and visit are 2 matches The number of matches in a session is: 10 x 19 x 2 The number of matches in a session is: 10 x 19 x 2 = 380

13. Ronald HUI Mathematics nearby Restaurant problem: Restaurant problem: 3 students went to a restaurant for a meal of $250. 3 students went to a restaurant for a meal of $250. Everyone firstly paid $100. Everyone firstly paid $100. When the waiter came back with $50, they decided to get $30 back and then left $20 for tips. When the waiter came back with $50, they decided to get $30 back and then left $20 for tips. So, every student paid $90 only. So, every student paid $90 only. Now, $90 x 3 + $20 = $290! Now, $90 x 3 + $20 = $290! Where is the last $10? Where is the last $10?

14. Ronald HUI Good Luck! Enjoy the world of Mathematics!