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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Post 16 Live Problems

### What's That Graph?Live

### Kite in a SquareLive

### Whose Line Graph Is it Anyway?Live

Or search by topic

When you visit the NRICH site you may find some activities which are 'live'. This means we are inviting students to send us solutions, and we will publish a selection of them, along with each student's name and their school, a few weeks later. If you'd like to know more about what we're looking for, read this short article.

The last day for sending us solutions to these live problems is Monday 4th March 2024.

Age 14 to 18

Challenge Level

Can you work out which processes are represented by the graphs?

Age 14 to 18

Challenge Level

Can you make sense of the three methods to work out what fraction of the total area is shaded?

Age 16 to 18

Challenge Level

Which line graph, equations and physical processes go together?