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Summation of series. Angular Motion. Combinatorics. Video. Logic. Learning mathematics. Codes and cryptography. Algorithms. Programming. Mathematical reasoning & proof.There are 27 results
Broad Topics > Information and Communications Technology > Video
Sorted
Age 16 to 18 Challenge Level:
How can you quickly sort a suit of cards in order from Ace to King?
James's Code Challenge
Age 7 to 18 Challenge Level:
The Enigma Project's James Grime has created a video code challenge. Watch it here!
The Best Card Trick?
Age 11 to 16 Challenge Level:
Time for a little mathemagic! Choose any five cards from a pack and show four of them to your partner. How can they work out the fifth?
Slick Summing
Age 14 to 16 Challenge Level:
Watch the video to see how Charlie works out the sum. Can you adapt his method?
A Brief Introduction to Complex Numbers
Age 14 to 18 Challenge Level:
In this problem, we define complex numbers and invite you to explore what happens when you add and multiply them.
Introduction to Number Plumber
Age 7 to 18 Challenge Level:
Video showing how to use the Number Plumber
Speedy Summations
Age 16 to 18 Challenge Level:
Watch the video to see how to add together an arithmetic sequence of numbers efficiently.
Factorising with Multilink
Age 14 to 16 Challenge Level:
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Turning the Place Over
Age 11 to 18 Challenge Level:
As part of Liverpool08 European Capital of Culture there were a huge number of events and displays. One of the art installations was called "Turning the Place Over". Can you find our how it works?
Symmetric Tangles
Age 14 to 16
The tangles created by the twists and turns of the Conway rope trick are surprisingly symmetrical. Here's why!
Summing Geometric Progressions
Age 14 to 18 Challenge Level:
Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?
Plaited Origami Polyhedra
Age 7 to 16 Challenge Level:
These models have appeared around the Centre for Mathematical Sciences. Perhaps you would like to try to make some similar models of your own.
Beelines
Age 14 to 16 Challenge Level:
Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?
Air Nets
Age 7 to 18 Challenge Level:
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Helicopters
Age 7 to 16 Challenge Level:
Design and test a paper helicopter. What is the best design?
Alison's Mapping
Age 14 to 16 Challenge Level:
Alison has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?
Kingsfield School - Building on Rich Starting Points
Age 5 to 18
Alf and Tracy explain how the Kingsfield School maths department use common tasks to encourage all students to think mathematically about key areas in the curriculum.
Power Countdown
Age 14 to 16 Challenge Level:
In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
Whirlyball
Age 16 to 18 Challenge Level:
Whirl a conker around in a horizontal circle on a piece of string. What is the smallest angular speed with which it can whirl?
Cyclic Quad Jigsaw
Age 14 to 16 Challenge Level:
A picture is made by joining five small quadrilaterals together to make a large quadrilateral. Is it possible to draw a similar picture if all the small quadrilaterals are cyclic?
Take Three from Five
Age 14 to 16 Challenge Level:
Caroline and James pick sets of five numbers. Charlie chooses three of them that add together to make a multiple of three. Can they stop him?
Impossible Triangles?
Age 16 to 18 Challenge Level:
Which of these triangular jigsaws are impossible to finish?
Steve's Mapping
Age 16 to 18 Challenge Level:
Steve has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?
NRICH is part of the family of activities in the Millennium Mathematics Project.