## The Fantastic Four (by @happynikitakk)

Today we looked at maths from a different perspective. A perspective which I didn’t even know existed- maths in maps. We learnt that there is no possible map which cannot be coloured with four colours or less, without any adjacent areas on the map being the same colour. This ‘Four Colour Theorem’ took over 100 years to prove. The concept itself is quite difficult getting your head around. In fact our whole class spent most of the lesson trying to disprove it, with no success. Who knew a mathematician could have such a fascination with mapping?

#exploremaths

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## The Golden Spiral (by @sanjnavee)

Hey Sir,

I wasn’t actually at school for the double lesson and I haven’t yet just got around to watching the three videos so I’ll keep this short and simple based on my experience of the lesson on Wednesday (I’m pretty sure).

I had a vague idea that the Golden Ratio was used to determine how ‘beautiful’ a human face is in terms of mathematical symmetry but I definitely did not know about how it’d been attained so that lesson really did teach me a lot of new concepts including “Phi” and “The Golden Spiral”. I was also able to understand how The Fibonacci Sequence tied into what we were learning. I look forward to watching the videos to further understand how the Golden Spiral really is found in everything.

#exploremaths

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## Video Lesson (by @annabel_hui)

In this lesson, I learnt what is the golden ratio about, I heard about it long time ago ago but I never knew what does it mean and what is it. After watching all the videos that you provide us, I felt so amazed that everything in my life could be so mathematical!! Even all sorts of ball games, our bodies and music.

For the first video, Donald Duck in Mathmagic Land, ideas that were presented were mostly about the golden ratio, like how Pythagorus theorem is related to the basis of music today, also different kind of ball games like baseball, basketball, football, etc. They are all mathematical and were based on the golden rectangle.

For the second video, Ted talk: Golden Ratio, the most surprising examples that the speaker said is that all the things in our life are based on the golden ratio, like Apple, the logo of a bitten apple, was designed according to the golden ratio. Also, when I saw that the design of websites like twitter is also based on the golden ratio. These two examples are unusual because they are very little things in our lives that we may actually not realise their existence.

For the last video, how to measure beauty, the question that i have to answer is “is human beauty just about numbers? why and why not?” I think human beauty is not only about numbers, because sometimes when people have really beautiful face, doesn’t mean they have beautiful hearts, if a person does bad stuff, it already doesn’t matter how beautiful is that person, because their heart is ugly.

#exploremaths

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## Video Lesson (by @nillyperera99)

In the Donald Duck Video it teaches us math in an interesting way. In all of the video’s it shows that maths is everywhere, which is pretty amazing! The golden rectangle is just simply amazing and it so cool how its everywhere but unoticeable at first. The video also explored how plants and animals grow due to the mathematical patterns due to phi. Thank you for showing us some mindblowing video’s #exploremaths

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## The Golden Ratio (@nillyperera99)

The golden ratio was mind blowing! I learned that maths has much more too it that just numbers and equations. The concept of the golden ratio is very interesting as it is everywhere not just in the golden rectangle. Thank you for teaching us about it

#exploremaths

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## Golden Ratio (@kewalbro)

Very interesting in how one rectangle can form a spiral and other rectangles which follow a specific rule. And the surprising part is that, this rule also applies to the real world such as our body or plants.

Watching the video, epically the first one showed quite a depth of maths, I was amazed by how a star contains the golden rectangle.

Thanks for the amazing videos

#exploremaths