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Imagine you start by choosing a black card and then choose two red cards:
Keep a record of the outcome from laying down the cards in different orders.
What do you notice?
How is your total amount of money affected by a win?
How is it affected by a loss?
A Chance to Win?
Age 11 to 14
Challenge Level 
Imagine you start by choosing a black card and then choose two red cards:
| Your amount | Your bet | You chose | Result |
|---|---|---|---|
| £128 | £64 | black | - £64 |
| £64 | £32 | red | + £32 |
| £96 | £48 | red | + £48 |
Keep a record of the outcome from laying down the cards in different orders.
What do you notice?
How is your total amount of money affected by a win?
How is it affected by a loss?
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Special Sums and Products
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