# Search by Topic

Filter by: Content type:
Stage:
Challenge level:

### There are 13 results

Broad Topics > Information and Communications Technology > Animations

### Mystic Rose

##### Stage: 3 Challenge Level:

Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.

### Whirlyball

##### Stage: 5 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?

### 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?

### Turning Triangles

##### Stage: 3 Challenge Level:

A triangle ABC resting on a horizontal line is "rolled" along the line. Describe the paths of each of the vertices and the relationships between them and the original triangle.

### Drips

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

An animation that helps you understand the game of Nim.

### Volume of a Pyramid and a Cone - Animations

##### Challenge Level:

These are the interactivities for the article 'Volume of a Pyramid and a Cone on NRICH website. They might take a very long time to load on some computers.

### Round and Round a Circle

##### Stage: 4 Challenge Level:

Can you explain what is happening and account for the values being displayed?

### Animated Triangles

##### Stage: 1 Challenge Level:

Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?

### Notes on a Triangle

##### Stage: 3 Challenge Level:

Can you describe what happens in this film?

### Von Koch Curve

##### Stage: 5 Challenge Level:

Make a poster using equilateral triangles with sides 27, 9, 3 and 1 units assembled as stage 3 of the Von Koch fractal. Investigate areas & lengths when you repeat a process infinitely often.

### Elastic Maths

##### Stage: 4 and 5

How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.

### Pentabuild

##### Stage: 5 Challenge Level:

Explain how to construct a regular pentagon accurately using a straight edge and compass.

### Rolling Triangle

##### Stage: 3 Challenge Level:

The triangle ABC is equilateral. The arc AB has centre C, the arc BC has centre A and the arc CA has centre B. Explain how and why this shape can roll along between two parallel tracks.