Resources tagged with: Video

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There are 52 results

Broad Topics > Physical and Digital Manipulatives > Video

Angle Trisection

Age 14 to 16Challenge Level

It is impossible to trisect an angle using only ruler and compasses but it can be done using a carpenter's square.

Turning the Place Over

Age 11 to 18Challenge 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?

Drawing Celtic Knots

Age 11 to 14Challenge Level

Here is a chance to create some Celtic knots and explore the mathematics behind them.

Introduction to Number Plumber

Age 7 to 18Challenge Level

Video showing how to use the Number Plumber

Constructing Triangles

Age 11 to 14Challenge Level

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

Beelines

Age 14 to 16Challenge Level

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?

Age 11 to 14Challenge Level

Choose a couple of the sequences. Try to picture how to make the next, and the next, and the next... Can you describe your reasoning?

Always a Multiple?

Age 11 to 14Challenge Level

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

Take Three from Five

Age 11 to 16Challenge 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?

Age 14 to 16Challenge Level

Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

Air Nets

Age 7 to 18Challenge Level

Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.

Seven Squares

Age 11 to 14Challenge Level

Watch these videos to see how Phoebe, Alice and Luke chose to draw 7 squares. How would they draw 100?

Subtraction Surprise

Age 7 to 14Challenge Level

Try out some calculations. Are you surprised by the results?

Age 11 to 16Challenge Level

The items in the shopping basket add and multiply to give the same amount. What could their prices be?

Slick Summing

Age 14 to 16Challenge Level

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

Frogs

Age 11 to 14Challenge Level

How many moves does it take to swap over some red and blue frogs? Do you have a method?

Summing Geometric Progressions

Age 14 to 18Challenge Level

Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?

Up, Down, Flying Around

Age 11 to 14Challenge Level

Play this game to learn about adding and subtracting positive and negative numbers

Power Countdown

Age 14 to 16Challenge Level

In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.

Helicopters

Age 7 to 16Challenge Level

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

Strange Bank Account

Age 11 to 14Challenge Level

Imagine a very strange bank account where you are only allowed to do two things...

Sorted

Age 14 to 18Challenge Level

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

A Brief Introduction to Complex Numbers

Age 14 to 18Challenge Level

In this problem, we define complex numbers and invite you to explore what happens when you add and multiply them.

The ELISA Test

Age 14 to 18Challenge Level

In 1% of cases, an HIV test gives a positive result for someone who is HIV negative. How likely is it that someone who tests positive has HIV?

Sociable Cards

Age 11 to 14Challenge Level

Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?

How Risky Is My Diet?

Age 11 to 16Challenge Level

Newspapers said that eating a bacon sandwich every day raises the risk of bowel cancer by 20%. Should you be concerned?

Amazing Card Trick

Age 11 to 14Challenge Level

How is it possible to predict the card?

The Best Card Trick?

Age 11 to 16Challenge 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?

ACE, TWO, THREE...

Age 11 to 14Challenge Level

Can you picture how to order the cards to reproduce Charlie's card trick for yourself?

Summing Consecutive Numbers

Age 11 to 14Challenge Level

15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?

Introductory Video

Age 11 to 16

An introductory video to the Probability and Evidence collection

Vanishing Roots

Age 14 to 18

If $y=x^2-6x+c$, and we vary $c$, what happens to the roots when $c>9$?

Squares from Diagonals

Age 11 to 16

Take a look at the video showing squares and their diagonals...

Areas on a Grid

Age 11 to 16

Take a look at the video showing areas of different shapes on dotty grids...

Age 11 to 18Challenge Level

Video for teachers of a talk given by Dan Meyer in Cambridge in March 2013.

Drawing Rhombuses

Age 11 to 16

Take a look at the video showing rhombuses drawn on dotty grids...

Statins and Risk

Age 14 to 16Challenge Level

"Statins cut the risks of heart attacks and strokes by 40%"
Should the Professor take statins? Can you help him decide?

Probability in Court

Age 14 to 18Challenge Level

When you're on trial for murder, it can be crucial that the court understands probability...

Drawing Squares

Age 11 to 16

Take a look at the video showing squares drawn on dotty grids...

Rhombuses from Diagonals

Age 11 to 16

Take a look at the video showing rhombuses and their diagonals...

Age 7 to 14Challenge Level

Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

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.

Perimeter Possibilities

Age 11 to 14Challenge Level

I'm thinking of a rectangle with an area of 24. What could its perimeter be?

Twisting and Turning

Age 11 to 14Challenge Level

Take a look at the video and try to find a sequence of moves that will untangle the ropes.

Galley Division

Age 14 to 16Challenge Level

Can you explain how Galley Division works?

The Invertible Trefoil

Age 14 to 16Challenge Level

When is a knot invertible ?

Modular Origami Polyhedra

Age 7 to 16Challenge 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.

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!