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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# New to You?

### One Big Triangle

### Little Man

### Overlaps

### If the World Were a Village

### Possible Pieces

### Circular Area

### Bundles of Cubes

### Triangle Transformation

### Related

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When we meet something for the first time, we are curious to know more. We hope that the new ideas or new situations that you meet in these activities will hook you in by stirring your sense of wonder.

Age 5 to 7

Challenge Level

Make one big triangle so the numbers that touch on the small triangles add to 10.

Age 5 to 7

Challenge Level

The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?

Age 5 to 7

Challenge Level

What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.

Age 5 to 11

Challenge Level

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

Age 5 to 11

Challenge Level

Can you create jigsaw pieces which are based on a square shape, with at least one peg and one hole?

Age 7 to 11

Challenge Level

How could you find out the area of a circle? Take a look at these ways.

Age 7 to 11

Challenge Level

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

Age 7 to 14

Challenge Level

Start with a triangle. Can you cut it up to make a rectangle?