Tuesday, June 30, 2026

Formula for Volume of a Cuboid=LxBH

Applying formula for Volume of a cuboid to find L, B or H

https://www.instagram.com/reel/C53sZ6sSE9t/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==


Appreciating the relative sizes of things on Earth— how tall are mountains, how deep are oceans, how big is the Earth

It is therapeutic seeing things in perspective.

https://www.instagram.com/reel/C_5VhqJsSo7/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==

P6 Geometry — anchoring on acting on habit of plotting in properties of special shapes

Order of operations — BoDMAS demonstration

https://www.instagram.com/reel/CZhSuVNqmML/

https://www.instagram.com/reel/CZhSuVNqmML/

Division of fractions —— KCF (keep, change, flip)

The 3 types of triangles to consider when finding area of triangles

P5, P6 geometry

Uploaded Image

Uploaded Image

Sent from my iPhone

Monday, June 29, 2026

Sunday, June 28, 2026

P6 Average . H: area diagram

Uploaded Image

_______ my solution

Uploaded Image

Sent from my iPhone

Saturday, June 27, 2026

Geometry (no numbers given)

Take a look! 📌 https://pin.it/5lpKX6tOL 180-(45+45/2)=112.5 Sent from my iPhone

Friday, June 26, 2026

Wednesday, June 24, 2026

Tuesday, June 23, 2026

Re: P6 Percentage


Sent from my iPhone

On 20 Jun 2026, at 7:51 AM, CHENG LIANG CHANG <changchengliang1@icloud.com> wrote:



100 people are in a room. 

99 of them are left hand.

How малy left-handers have to leave the room so that 98% of the people in the room are left-handed?






_____
my solution:
  1 (RH) —— 2% 
98% —— 49
99-49=50 
50 left-handers have to leave the room!

P6 fraction, percentage (MGS prelims 2025)

Uploaded Image

_____

Uploaded Image

Sent from my iPhone

Prime nos which is 1 more than multiple of 4 can be written by sum of 2 square nos

Sunday, June 21, 2026

Saturday, June 20, 2026

P4, P5, P6 numbers . H: model

Uploaded Image

___ my solution

Uploaded Image

Sent from my iPhone

Sec2 (G3) : Dot diagram vs histogram

Uploaded Image

Uploaded Image

Sent from my iPhone

P6 geometry construction (henry parks prelim2025)

Uploaded Image

Uploaded Image

Sent from my iPhone

P6 geometry (henry parks prelim2025)

Uploaded Image

____ my solution

Uploaded Image

Sent from my iPhone

p6 pattern (henry parks prelim2025)

Uploaded Image

_____ my solution

Uploaded Image

Sent from my iPhone

P6 Percentage

100 people are in a room. 

99 of them are left hand.

How малy left-handers have to leave the room so that 98% of the people in the room are left-handed?






_____
my solution:
  1 (RH) —— 2% 
98% —— 49
99-49=50 
50 left-handers have to leave the room!