# Resources tagged with: Video

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### There are 50 results

Broad Topics > Physical and Digital Manipulatives > Video

### 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?

### Strike it Out

##### Age 5 to 11Challenge Level

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

### Strike it Out for Two

##### Age 5 to 11Challenge Level

Strike it Out game for an adult and child. Can you stop your partner from being able to go?

### Totality

##### Age 5 to 11Challenge Level

This is an adding game for two players. Can you be the first to reach the target?

### Subtraction Surprise

##### Age 7 to 14Challenge Level

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

### Rhombuses from Diagonals

##### Age 11 to 16

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

### 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?

### Take One Example

##### Age 5 to 11

This article introduces the idea of generic proof for younger children and illustrates how one example can offer a proof of a general result through unpacking its underlying structure.

### Bundles of Cubes

##### Age 7 to 11Challenge Level

Watch this animation. What do you notice? What happens when you try more or fewer cubes in a bundle?

##### Age 11 to 16Challenge Level

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

### That Number Square!

##### Age 5 to 11Challenge Level

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?

### Up, Down, Flying Around

##### Age 11 to 14Challenge Level

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

### 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...

### Roll over the Dice

##### Age 7 to 11Challenge Level

Watch this video to see how to roll the dice. Now it's your turn! What do you notice about the dice numbers you have recorded?

### 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?

### Surprising Split

##### Age 7 to 11Challenge Level

Does this 'trick' for calculating multiples of 11 always work? Why or why not?

### Truth or Lie

##### Age 7 to 11Challenge Level

Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?

### 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?

### Seven Squares - Group-worthy Task

##### 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?

### Drawing Squares

##### Age 11 to 16

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

##### Age 7 to 14Challenge Level

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

### Drawing Rhombuses

##### Age 11 to 16

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

### Introductory Video

##### Age 11 to 16

An introductory video to the Probability and Evidence collection

### 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...

### 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?

### ACE, TWO, THREE...

##### Age 11 to 14Challenge Level

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

### 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.

### Dotty Six for Two

##### Age 5 to 11Challenge Level

Dotty Six game for an adult and child. Will you be the first to have three sixes in a straight line?

### Pouring Problem

##### Age 7 to 11Challenge Level

What do you think is going to happen in this video clip? Are you surprised?

### Perimeter Possibilities

##### Age 11 to 14Challenge Level

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

### Tumbling Down

##### Age 7 to 11Challenge Level

Watch this animation. What do you see? Can you explain why this happens?

### 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?

##### Age 11 to 18Challenge Level

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

### Bryony's Triangle

##### Age 7 to 11Challenge Level

Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?

### James's Code Challenge

##### Age 7 to 18Challenge Level

The Enigma Project's James Grime has created a video code challenge. Watch it here!

### Drawing Celtic Knots

##### Age 11 to 14Challenge Level

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

### Amazing Card Trick

##### Age 11 to 14Challenge Level

How is it possible to predict the card?

### Dotty Six

##### Age 5 to 11Challenge Level

Dotty Six is a simple dice game that you can adapt in many ways.

### Counting Cards

##### Age 7 to 11Challenge Level

A magician took a suit of thirteen cards and held them in his hand face down. Every card he revealed had the same value as the one he had just finished spelling. How did this work?

### Turning Granny

##### Age 7 to 11Challenge Level

A brief video looking at how you can sometimes use symmetry to distinguish knots. Can you use this idea to investigate the differences between the granny knot and the reef knot?

### 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?

### 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.

### 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.

### 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.

### 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?

### 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?