Saturday, September 30, 2017

6 AM Quiz: It's Algebra!

Click HERE to access the Quiz to submit your answers.
  • Click HERE to view responses

Answer scoreBonus score
Q11-
Q222
Q321
Q422

For quick reference, the questions in the quiz are:







Suggested Solution
(updated: 3 October 2017)

It's Mensuration! It's Geometry! It's Amazing!

Friday, September 29, 2017

T4W3 Revision: Algebra

We discussed the following question during lesson.
It could be solved by applying our existing knowledge and skills:
- mensuration (area of square and area of circle)
- algebra - being able to square algebraic term, form an equation, and "removing" denominator in an equation



Before the lesson ended, you copied the following question to try over the weekend.
We shall discuss this question on Monday.




Thursday, September 28, 2017

29/8/17 G1 Math postings

HIHS S2 P2 Question 9


NYGHS Q10

Homework for 29/8/17 Group 2

 This is the HIHS paper 2 question 9 solutions


This is the Crescent girls secondary 2 section A question 10

Group 3 NYGH paper 2 question 10 Latest one

Sunday, September 24, 2017

Group 1 Question 7

Image from Xing Zi
Posted on Behalf of Xing Zi because of technical problems.

Saturday, September 23, 2017

Saturday, September 16, 2017

6 AM Quiz: So Near yet So Far

Click HERE to access the direct link



Click HERE to view responses

Updated 22 Sep 2017

Tuesday, September 12, 2017

Pythagoras Theorem

Here are an interesting "proof" of Pythagoras' Theorem (using a simple set of Pythagorean triplets:

Source:


Click HERE to find out more about Pythagoras Theorem.

Below is a "proof" of the Theorem with water!





Mensuration: Volume of Cone and Pyramid

Cone
The volume of a cone fills up one-third of the volume of cylinder, i.e. we need three cones to fill up a cylinder.



 


Pyramid

Thursday, September 7, 2017

The "magic" can be explained with....

Source: Facebook page: 5 Unknown Facts

There seems to be some 'magical' links between the digits... however, if you apply algebra (i.e. factorisation), you would be able to figure out why or how the magic works :)