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### Number and algebra

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### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Explore and Explain

### First Connect Three

### Treasure Hunt

### Nicola's Jigsaw

### Connect Three

### Iffy Logic

### 3D Treasure Hunt

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We hope you will enjoy playing with the problems in this feature. Take time to explore the activities, and then think about the mathematical ideas that emerge. Whether it's the start of your academic year or the beginning of a vacation, we hope there is something to inspire you.

Age 7 to 11

Challenge Level

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

Age 7 to 14

Challenge Level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

Age 11 to 14

Challenge Level

Nicola has lost a piece of her 3D jigsaw. Can you work out the shape of the missing piece?

Age 11 to 16

Challenge Level

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

Age 14 to 18

Challenge Level

Can you rearrange the cards to make a series of correct mathematical statements?

Age 14 to 18

Challenge Level

Some treasure has been hidden in a three-dimensional grid! Can you work out a strategy to find it as efficiently as possible?