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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Codebreakers

### Number Detective

### Coded Hundred Square

### Mystery Matrix

### Curious Number

### Satisfying Four Statements

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Can you crack the code, solve the puzzle and think like a mathematician? Have a go at one of our puzzles and send us your solution.

Age 5 to 11

Challenge Level

Follow the clues to find the mystery number.

Age 7 to 11

Challenge Level

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Age 7 to 11

Challenge Level

Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.

Age 7 to 11

Challenge Level

Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?

Age 7 to 11

Challenge Level

Can you find any two-digit numbers that satisfy all of these statements?