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### Method in multiplying madness?

Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

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### Frogs

How many moves does it take to swap over some red and blue frogs? Do you have a method?

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### Fence it

If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?

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### Interactive Spinners

This interactivity invites you to make conjectures and explore probabilities of outcomes related to two independent events.

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### Crossed Ends

Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?

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### Keep it simple

Can all unit fractions be written as the sum of two unit fractions?

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### How much can we spend?

A country has decided to have just two different coins, 3z and 5z
coins. Which totals can be made? Is there a largest total that
cannot be made? How do you know?

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### Charlie's delightful machine

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

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### Your number was...

Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?

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### What numbers can we make?

Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?

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### Forwards Add Backwards

What happens when you add a three digit number to its reverse?

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### Farey Sequences

There are lots of ideas to explore in these sequences of ordered fractions.

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### Stars

Can you work out what step size to take to ensure you visit all the dots on the circle?

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### Property chart

A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?

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### Route to infinity

Can you describe this route to infinity? Where will the arrows take you next?

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### Fibonacci Surprises

Play around with the Fibonacci sequence and discover some surprising results!

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### Rhombus It

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.