Results 1-25 of 64
- Filters
- Mathematics
The Code Normal distribution in fish populations
Marcus du Sautoy examines a sample of dover sole from a day's catch, and by measuring the weight of this small number of fish, explores how the bell-curve of the Normal Distribution allows us to predict what the largest fish in the population is likely to weigh, even without catching it. The calculations are not shown in full detail, but ...
- 2011
- 00:04:09
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
The Code Using probability functions to help locate serial killers
Marcus du Sautoy meets a detective with a PhD in mathematics who has created a probability function that can help narrow down the area in which a serial killer is likely to live. The case of Jack the Ripper is outlined, and the probable street where he lives revealed. The function is then broken down and the different elements explained: ...
- 2011
- 00:04:33
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
The Code Fractal geometry in nature and digital animation
Marcus du Sautoy describes how fractal geometry can be used to describe natural objects, and how it is used in digital animation. Trees use the simple rule of trying to maximize surface area, and this is something that can be simulated mathematically to give a very realistic result. Mandelbrot explored this fractal property of infinite complexity in his work, which ...
- 2011
- 00:05:05
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
The Code Imaginary numbers at use in the real world
Starting with the logical roots of arithmetic with negative numbers, Marcus du Sautoy explains how mathematicians created imaginary numbers by ‘imagining’ the square root of -1. Though imaginary in nature, he then explores how this abstract mathematical idea has become vital to air traffic control systems. Teacher notes: Use as an enrichment and extension clip during a series of lessons ...
- 2011
- 00:04:33
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
The Code Hexagons in the natural world
Marcus du Sautoy visits a beekeeper and explores how bees create their honeycombs. If they are going to tessellate they have a limited number of regular polygons they could choose from, but the hexagon is the most efficient – giving the maximum storage area for the least amount of wax. In fact, the bees do not create hexagons, but circular ...
- 2011
- 00:05:13
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
The Code Using patterns in Google searches to predict flu outbreaks
Marcus du Sautoy explores how internet searches are building up a huge database of linked information which can then be mined for patterns. Visiting Google’s offices, he sees this at work and reveals just how closely Google can predict flu outbreaks, even before hospitals have begun to need to respond to them. Flu kills hundreds of thousands each year, but ...
- 2011
- 00:04:02
- 15-17
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
Scientists and Scientific Method The work of the 'father of optics' Alhazen
In this vlog style video, Alhazen talks about being a physicist and mathematician, with a speciality in optics and light. He explains that we see because light bounces off objects into our eyes. He outlines the need for observations and making hypotheses, not just using abstract reasoning. He goes on to explain his theory that light travels in a straight ...
- 2018
- 00:04:03
- 9-12
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
How to Think Like a Computer Search engines
The term 'search engine' is explained through everyday activities and events. Computer Head is trying to find a single item in a pile of hay and is doing this by going through all the individual strands of hay. His friend Ada suggests that a search engine would be the best way to search through lots of items to find the ...
- 2016
- 00:03:06
- 13-14
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths Dividing using repeated subtraction
Mrs Barker has just bought some yummy treats for her dogs and they can’t wait to eat them. There is just one problem, if the dogs don’t get the same number of treats each, they get seriously cranky. This sounds like a job for Divider Girl. Can Divider Girl use sharing and repeated subtraction to help Mrs Barker share the ...
- 2018
- 00:03:12
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths The relationship between multiplication and division
Baz and Dave need to share out some kittens ready to go to their new homes! At first it seems simple, eight kittens shared between four friends. Things quickly get more complicated when they discover Sally is allergic to cats. She can’t take any kittens, and Mrs Barker has all those dogs. There are remainders involved, new calculations to solve ...
- 2018
- 00:06:16
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths How to use arrays to multiply
Mr Sharma needs to buy new pencils for the school but they only come in boxes of 5. How does he know how many he’s got? His attempts at guessing leave Mrs Barker in a sticky situation. This sounds like a job for Multiplication Boy! Luckily, our hero in A World Without Maths knows what to do. He speeds up ...
- 2018
- 00:04:52
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths How to use mental methods to divide
Charlie has won a huge bunch of balloons, so huge they have put him in something of a precarious position. But he’s not going to give them up easily. He won them fair and square after all. Dave suggests sharing them out, so they can all help him carry them home. This sounds like a job for Divider Girl! Divider ...
- 2018
- 00:04:43
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths Multiples of two, five and ten
Multiplication Boy and Divider Girl keep their math superpowers sharp with a competition to count in twos, fives and tens. Looking around the world, they count objects that come in multiples. Spotting patterns in the times tables, they race against each other to win the competition. These math heroes know that counting in multiples helps with multiplying and dividing. But ...
- 2018
- 00:04:49
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths How to use mental methods to multiply
Mr and Mrs Sharma can’t work out how many sausages to buy for Charlie’s birthday party. They are trying to count it out using chocolate buttons, but they are getting in a mess. This sounds like a job for Multiplication Boy! Multiplication Boy comes to the rescue, but loses his trusty number line en route. Can he find another way ...
- 2018
- 00:04:21
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
A World Without Maths What is multiplication?
Dave is building a new garden wall for Mrs Sharma. It’s taking a very, very long time. He is doing his best but keeps running out of bricks. This sounds like a job for Multiplication Boy. Can Multiplication Boy help Dave with some repeated addition on his number line? Will Dave be able to calculate exactly how many bricks to ...
- 2018
- 00:05:08
- 5-8
- Added on: 09/03/2019
Access to this content is reserved to BBC Channel subscribers.
Studio K Nursery Rhymes with Cottonball: This Old Man
Try out this nursery rhyme with Cottonball, as Mr. Orlando adds to the rhythm and their young friends help out with counting.
- 2017
- 00:02:38
- 4 and under
- Added on: 11/05/2018
CBC News Students use math to make street crossing safer
Grade 11 students in Winnipeg took their lessons into the real world with a project to help classmates cross a busy street. In the last five years there have been over 100 collisions involving pedestrians at two crosswalks near their school. Can their math skills solve this problem?
- 2017
- 00:01:52
- 9-12
- Added on: 02/15/2018
CBC Short Docs Numbers Guy
Showman, scholar, savant... cashier? Meet David Teitel, a man who knows more about numbers than you could ever imagine. He's worked as a cashier at health food stores since the mid-1980s. He enjoys sharing history facts, baseball statistics and arithmetic with customers — he’s famous for his numbers knowledge. After dropping out of school and struggling with mental illness, David ...
- 2017
- 00:21:28
- 13-14
- Added on: 06/16/2017
The National Quantum computing power leap
For all the heralded advances, computers basically run much the same as they did seven decades ago. They've gotten smaller, faster, with more storage, but they continue to run on a language of ones and zeros. Now the world's first commercially available quantum computers are taking those ones and zeros to a level of computing power that has never before ...
- 2017
- 00:05:49
- 13-14
- Added on: 06/01/2017
We Are Canada We Are Canada, Episode 5
A rock musician uses music to battle youth suicide and inspire hope; a millennial is making democracy cool; and an ingenious program that inspires troubled teens to stay in school. In this episode: Robb Nash, Caro Loutfi and Gabriel Lopez.
- 2017
- 00:44:08
- 13-14
- Added on: 05/24/2017
Power & Politics Electoral Reform Explained
Having promised that the 2015 federal election will be the last under the first-past-the-post system, Justin Trudeau and the Liberals face the daunting task of determining the best option for electoral reform. Dave Meslin from Unlocked Democracy gives a visual demonstration of several alternatives, including the run-off election (or ranked ballot), single transferable vote (STV) and mixed-member proportional representation (MMP).
- 2015
- 00:08:59
- 13-14
- Added on: 01/07/2016
Desjardins Vignettes Savings
Savings is money you put aside after all expenses are paid. It can be used to pay for things you dream about, like a comic book.
- 2014
- 00:01:35
- 9-12
- Added on: 10/03/2014
Charly and Max get involved A winning recipe
Charly and Max sell lemonade to collect more money.
- 2014
- 00:02:10
- 5-8
- Added on: 10/03/2014
Charly and Max get involved The early bird gets the… cans
Charly and Max decide to collect bottles from their neighbours in order to have a little pocket money.
- 2014
- 00:01:27
- 5-8
- Added on: 10/03/2014
Charly and Max get involved When eyes are bigger than the wallet
Max learns the hard way that managing a monthly budget requires discipline after he spends the money for the month at a restaurant.
- 2014
- 00:02:10
- 5-8
- Added on: 10/03/2014
