The way we see a problem in our mind's eye can affect the way we find a solution. These activities all have a visual element, and we hope that by working on them you will realise the power of creating mental images.

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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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### ACE, TWO, THREE...

Can you picture how to order the cards to reproduce Charlie's card trick for yourself?

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### Constructing Triangles

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

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### Visualising and Representing - Secondary Students

Work on these problems to improve your visualising and representing skills.