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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# The Add and Take-away Path

Try it out!

You could start with $10$ counters and add more or take them away as you move along your path. Then, when you reach the end of the path, you can count the number of counters you have left to find out your score.

How will you make sure you remember the paths you've tried?

How will you remember the score each time?

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Age 5 to 7

Challenge Level

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

Try it out!

You could start with $10$ counters and add more or take them away as you move along your path. Then, when you reach the end of the path, you can count the number of counters you have left to find out your score.

How will you make sure you remember the paths you've tried?

How will you remember the score each time?

How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?

This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.