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#### Resources tagged with Video similar to Take Three from Five:

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Broad Topics > Information and Communications Technology > Video

### Take Three from Five

##### Stage: 3 and 4 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?

### Always a Multiple?

##### Stage: 3 Challenge Level:

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

### Beelines

##### Stage: 4 Challenge Level:

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

### Perimeter Possibilities

##### Stage: 3 Challenge Level:

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

### Twisting and Turning

##### Stage: 3 Challenge Level:

Take a look at the video and try to find a sequence of moves that will take you back to zero.

##### Stage: 4 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?

### Summing Consecutive Numbers

##### Stage: 3 Challenge Level:

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

### Seven Squares - Group-worthy Task

##### Stage: 3 Challenge 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?

##### Stage: 2 and 3 Challenge Level:

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

### Air Nets

##### Stage: 2, 3, 4 and 5 Challenge Level:

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

##### Stage: 4 Challenge Level:

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

### Seven Squares

##### Stage: 3 and 4 Challenge Level:

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

### ACE, TWO, THREE...

##### Stage: 3 Challenge Level:

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

### Symmetric Tangles

##### Stage: 4

The tangles created by the twists and turns of the Conway rope trick are surprisingly symmetrical. Here's why!

### Alison's Mapping

##### Stage: 4 Challenge Level:

Alison has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?

### Frogs

##### Stage: 2 and 3 Challenge Level:

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

### Strange Bank Account

##### Stage: 3 Challenge Level:

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

### Charlie's Mapping

##### Stage: 3 Challenge Level:

Charlie has created a mapping. Can you figure out what it does? What questions does it prompt you to ask?

### Power Countdown

##### Stage: 4 Challenge Level:

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

### Constructing Triangles

##### Stage: 3 Challenge Level:

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

### A Brief Introduction to Complex Numbers

##### Stage: 4 and 5 Challenge Level:

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

### Slick Summing

##### Stage: 4 Challenge Level:

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

### Introduction to Number Plumber

##### Stage: 2, 3, 4 and 5 Challenge Level:

Video showing how to use the Number Plumber

### Summing Geometric Progressions

##### Stage: 4 and 5 Challenge Level:

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

### James's Code Challenge

##### Stage: 2, 3, 4 and 5 Challenge Level:

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

### Up, Down, Flying Around

##### Stage: 3 Challenge Level:

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

### Circuit Maker

##### Stage: 3, 4 and 5 Challenge Level:

Investigate how logic gates work in circuits.

### The Best Card Trick?

##### Stage: 3 and 4 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?

### Helicopters

##### Stage: 2, 3 and 4 Challenge Level:

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

### Drawing Celtic Knots

##### Stage: 3 Challenge Level:

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

### Jo Boaler Explains Complex Instruction

##### Stage: 1, 2, 3, 4 and 5 Challenge Level:

A video clip of Jo Boaler talking about Complex Instruction.

### Turning the Place Over

##### Stage: 3, 4 and 5 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?

### Turning Tangles

##### Stage: 3 Challenge Level:

Look carefully at the video of a tangle and explain what's happening.

### Kingsfield School - Building on Rich Starting Points

##### Stage: 1, 2, 3, 4 and 5

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.

### Galley Division

##### Stage: 4 Challenge Level:

Can you explain how Galley Division works?

### Plaited Origami Polyhedra

##### Stage: 2, 3 and 4 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

##### Stage: 4 Challenge Level:

When is a knot invertible ?

### Amazing Card Trick

##### Stage: 3 Challenge Level:

How is it possible to predict the card?