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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### Advanced mathematics

### For younger learners

# A Mixed-up Clock

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### Consecutive Numbers

### Roll These Dice

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Age 7 to 11

Challenge Level

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

Can you find a statement that gives you a definite number that you know is right?

Can you now find some more that follow from this one?

Can you now find some more that follow from this one?

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?