### How far does it move?

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects the distance it travels at each stage.

### Parallel lines

### In the bag

### Elevenses

### Reflecting Lines

### Translating Lines

### Cyclic Quadrilaterals

Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

### Growing Surprises

### Diamond Collector

Collect as many diamonds as you can by drawing three straight lines.

### Days and Dates

### What's it worth?

There are lots of different methods to find out what the shapes are worth - how many can you find?

### Cinema Problem

A cinema has 100 seats. How can ticket sales make £100 for these different combinations of ticket prices?

### Special Numbers

My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?

### Tilted Squares

It's easy to work out the areas of most squares that we meet, but what if they were tilted?

### Sending a Parcel

### Speeding up, slowing down

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects its speed at each stage.

### Twisting and Turning

### Terminating or not

### Marbles in a box

### Think of Two Numbers

### Up and across

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects its vertical and horizontal movement at each stage.