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### Number and algebra

### Geometry and measure

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### Working mathematically

### For younger learners

### Advanced mathematics

# Treasure Island

## Treasure Island

### Why do this problem?

This problem is an interesting way of practising using coordinates in the first quadrant. The answer is found in a way which will intrigue able young learners.

### Key questions

### Possible extension

Learners could make their own treasure island map on squared giving the coordinates of various objects.

### Possible support

Suggest finding the objects at each of the given coordinates and writing down their names. It is the initial letter of the picture clues which you need to spell out the answer.

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Age 7 to 11

Challenge Level

- Problem
- Getting Started
- Student Solutions
- Teachers' Resources

Here is a treasure map.

What are the co-ordinates of these objects?

Write down what you can see at the co-ordinates given below:

- ($7, 5$)
- ($9, 5$)
- ($5, 3$)
- ($2, 3$)
- ($7, 1$)
- ($3, 3$)
- ($4, 2$)
- ($1, 1$)

The words can be used in a special way to find the coordinates of the buried treasure. Can you work out where it is?

What can you find at the point given by these coordinates?

Can you think of another word that might describe this object?

What is the initial letter of this word?

What do these letters spell out?