Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile
Dr Tom Crawford

@tomrocksmaths

Mathematician @UniofOxford AND @Cambridge_Uni, @OxfordConted, @Numberphile, @YouTube 'Creator on the Rise', Naked Mathematician, @TedX Speaker, Maths Tattoos.

ID: 819675977701879808

linkhttp://tomrocksmaths.com calendar_today12-01-2017 22:42:36

3,3K Tweet

13,13K Followers

5,5K Following

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Making new friends in the land of a million elephants… 2 x the circumference of the front leg gives the height, and 11 x the circumference of the body just behind the front legs gives the weight. This lovely lady is 2.4m tall and weighs 3795kg - what are her measurements?

Making new friends in the land of a million elephants… 2 x the circumference of the front leg gives the height, and 11 x the circumference of the body just behind the front legs gives the weight. This lovely lady is 2.4m tall and weighs 3795kg - what are her measurements?
Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

NEW VIDEO: I react to one of the most popular 'math' videos on YouTube with over 13 million views - "9 Math Riddles That'll Stump Even Your Smartest Friends". It did not go to plan... Premieres today at 4pm (GMT+1) - see you in the live chat! youtube.com/watch?v=NMyrWo…

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Just the 60m drop from the top of Kuang Si Waterfall in Laos. With an average annual rainfall of 1834mm, Laos is the 39th wettest country in the world. Which country do you think has the highest? And is Laos higher or lower than the UK on the list? Shoutout to my new patrons :)

Just the 60m drop from the top of Kuang Si Waterfall in Laos. With an average annual rainfall of 1834mm, Laos is the 39th wettest country in the world. Which country do you think has the highest? And is Laos higher or lower than the UK on the list?

Shoutout to my new patrons :)
Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

ICYMI CS50 is now available University of Oxford via Oxford Continuing Education. This version is ideal for anyone that wants to take the course, but needs that extra bit of motivation via a weekly deadline, and a 2-hour live online class with an Oxford tutor ready to answer all of your questions.

ICYMI <a href="/cs50/">CS50</a> is now available <a href="/UniofOxford/">University of Oxford</a> via <a href="/OxfordConted/">Oxford Continuing Education</a>. 

This version is ideal for anyone that wants to take the course, but needs that extra bit of motivation via a weekly deadline, and a 2-hour live online class with an Oxford tutor ready to answer all of your questions.
Oxford University Alumni (@oxfordalumni) 's Twitter Profile Photo

🌍 Join Dr Tom Crawford (Dr Tom Crawford) and the Vice-Chancellor, Professor Irene Tracey, for "The Vice-Chancellor's Colloquium: a discussion on climate change" at Meeting Minds on Saturday 21 September. Book now: ➡️ bit.ly/MeetingMinds20…

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NEW VIDEO: Question 7 from the Oxford University Maths Admissions Test (MAT) is all about discriminants of quadratic equations. The first two have repeated roots, so what does that tell us about the third? Watch my 60 second solution to find out... youtube.com/shorts/yBLcs1L…

Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

NEW VIDEO: Question 8 from the 2023 Oxford University Maths Admissions Test (MAT) asks you to maximise the area of an isosceles triangle. How well do you know your triangle theorems? Let me know what you think of my 60 second solution :) youtube.com/shorts/IJXl9kM…

Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

Hello Singapore Maths Fans!! Loved visiting gardensbythebay, especially when I learned it was home to the worlds largest greenhouse, the Flower Dome. It has an area of 12140 square metres, and a volume equivalent to 75 Olympic swimming pools, which begs the question - what is

Hello Singapore Maths Fans!! Loved visiting <a href="/GardensbytheBay/">gardensbythebay</a>, especially when I learned it was home to the worlds largest greenhouse, the Flower Dome. It has an area of 12140 square metres, and a volume equivalent to 75 Olympic swimming pools, which begs the question - what is
Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

Thanks to these superstars Kolej Tuanku Ja'afar for coming out on a Saturday to learn about the power of mathematical modelling. Remember, your actions might be the pebble that starts the avalanche…

Thanks to these superstars <a href="/KTJschool/">Kolej Tuanku Ja'afar</a> for coming out on a Saturday to learn about the power of mathematical modelling. Remember, your actions might be the pebble that starts the avalanche…
Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

NEW VIDEO: Given a cubic polynomial has a repeated root, a zero root, and we know its values at 1 and 2, can you work out the x-value of the repeated root? This is question 9 from the 2023 Oxford University Maths Admissions Test, solved in < 60 seconds. youtube.com/shorts/kSo1d9X…

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Calling all Oxford Alumni - there are only 11 tickets left for the Meeting Minds event this Saturday (21st September) where I'll be joining the Vice-Chancellor and Mette Morsing to discuss the inaugural Vice-Chancellor's Colloquium on Climate Change. Expect to learn some

Calling all Oxford Alumni - there are only 11 tickets left for the Meeting Minds event this Saturday (21st September) where I'll be joining the Vice-Chancellor and <a href="/Mette_Morsing/">Mette Morsing</a> to discuss the inaugural Vice-Chancellor's Colloquium on Climate Change. 

Expect to learn some
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Reminder that CS50 kicks off University of Oxford via Oxford Continuing Education in less than 2 weeks. If you're unsure whether or not to join the weekly online class, read this lovely article The Harvard Crimson and then sign-up to be amongst the first-ever Oxford cohort. thecrimson.com/article/2024/9…

Royal Institution (@ri_science) 's Twitter Profile Photo

How many Pikachus does it take to power a lightbulb? Join Dr Tom Crawford as he explores the maths of one of the planet’s most beloved video games – Pokémon! 📅: 05/10/24 ⏰: 2.00pm- 3.15pm Grab your Pokédex 👇 rigb.org/whats-on/pokem…

Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

NEW VIDEO: The last multiple choice question from the 2023 Oxford University Maths Admissions Test and by far the hardest one yet. Floor functions, logarithms, integrals, and geometric series. Doing this in less than 30 seconds was a real challenge... youtube.com/shorts/QzPtdaI…

Dr Tom Crawford (@tomrocksmaths) 's Twitter Profile Photo

And that’s it. The ‘world tour’ 2024 has ended. But what a way to go out with 5 schools in 3 days in KL, including this fantastic event at SriKDU. Thank you to all of the Maths Fans of Malaysia for coming out to support maths. It was amazing to meet you all :)

And that’s it. The ‘world tour’ 2024 has ended. But what a way to go out with 5 schools in 3 days in KL, including this fantastic event at SriKDU. Thank you to all of the Maths Fans of Malaysia for coming out to support maths. It was amazing to meet you all :)