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### Number and algebra

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### Working mathematically

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### Advanced mathematics

# Core Maths - Problem Solving

### Substitution Cipher

### Speed-time Problems at the Olympics

### Alternative Record Book

### Secret Transmissions

### Stadium Sightline

### Nutrition and Cycling

### The Fastest Cyclist

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Age 11 to 14

Challenge Level

Find the frequency distribution for ordinary English, and use it to help you crack the code.

Age 14 to 16

Challenge Level

Have you ever wondered what it would be like to race against Usain Bolt?

Age 14 to 18

Challenge Level

In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.

Age 14 to 16

Challenge Level

How can Agent X transmit data on a faulty line and be sure that her message will get through?

Age 14 to 18

Challenge Level

How would you design the tiering of seats in a stadium so that all spectators have a good view?

Age 14 to 16

Challenge Level

Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?

Age 14 to 16

Challenge Level

Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?