Ronald Hui Tak Sun Secondary School Mathematics Ronald Hui Tak Sun Secondary School

Mathematics Keep silence in the class No talking when I talk What should be ready in the next lesson? Textbook Erasable Pens/Pencils Notebook & folder Ronald HUI

Words for Dictation “+” Addition “–” Subtraction “x” Multiplication Plus Sum (和) “–” Subtraction Minus Difference (差) “x” Multiplication Times Product (積) “” Division Is divided by Quotient (商) Divisor (除數) Remainder(餘數) Ronald HUI

Words for Dictation Numbers Natural Number (自然數) Whole Number (完整數) 1, 2, 3, 4, 5, … Whole Number (完整數) 0, 1, 2, 3, 4, 5, … Even Number (偶數，雙數) 0, 2, 4, 6, 8, … Odd Number (奇數，單數) 1, 3, 5, 7, 9, … Ronald HUI

Dictation Words will be read twice 4 expressions 8 words Write them out in words Example: Question: 4 – 3 Answer: Four minus Three Subtract three from four Ronald HUI

Dictation Listen the words carefully 1. 2. 3. 4. 5. 6. 7. 8. Ronald HUI

Dictation Example: 3 x 4 Three times Four Write the followings in words 9. 11 x 12 10. 22 – 16 11. 33 + 44 12. 52  13 If you finish, please keep quiet! Ronald HUI

Reminder Homework Clinic Tuesday after-school Ronald HUI

Wikipedia 維基百科 https://en.wikipedia.org/wiki/Arithmetic https://en.wikipedia.org/wiki/0 Ronald HUI

Mathematics nearby How many times did the minute-hand (分針) overlap (重疊) with the hour-hand (時針) of a clock in a day? 12:00, 1:06, 2:11, 3:17, 4:22, 5:27, 6:33, 7:38, 8:43, 9:49, 10:54 22 times! Ronald HUI

Mathematics nearby In US Open (美國網球公開賽), 64 players are in the first round, how many matches will be played to find out the champion? In English FA Cup (英國足總盃), 64 teams in the third round, how many matches will be played if there is no re-match (重賽)? Ronald HUI

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