Resources tagged with: Video

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There are 23 results

Broad Topics > Physical and Digital Manipulatives > Video

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.

Impossible Square?

Age 16 to 18 Challenge Level:

Can you make a square from these triangles?

Impossible Triangles?

Age 16 to 18 Challenge Level:

Which of these triangular jigsaws are impossible to finish?

Speedy Summations

Age 16 to 18 Challenge Level:

Watch the video to see how to add together an arithmetic sequence of numbers efficiently.

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?

Sorted

Age 14 to 18 Challenge Level:

How can you quickly sort a suit of cards in order from Ace to King?

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?

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?

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!

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.

Slick Summing

Age 14 to 16 Challenge Level:

Watch the video to see how Charlie works out the sum. Can you adapt his method?

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.

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.

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?

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?

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?

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!

Modular 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.

The Invertible Trefoil

Age 14 to 16 Challenge Level:

When is a knot invertible ?

Galley Division

Age 14 to 16 Challenge Level:

Can you explain how Galley Division works?

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?

Helicopters

Age 7 to 16 Challenge Level:

Design and test a paper helicopter. What is the best design?

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?