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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Right or Left?

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### Little Boxes

Links to the University of Cambridge website
Links to the NRICH website Home page

Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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Age 7 to 11

Challenge Level

You may know that opposite faces of a dice add up to $7$, but did you know that there are two different types of dice?

Here are two dice, a right-handed one and a left-handed one:

Decide whether the dice below are right-handed or left-handed:

Now try these - they are more difficult.

This problem is taken from the book "Mathematical Activities from Poland" published by ATM.

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?