Calculating Cat has 5 coins in her purse.

Think about which coins they could be. Get some coins and work out the possibilities.

*What is the largest amount that could be in the purse? Which coins would that be?*

*What is the smallest amount that could be in the purse? Which coins would that be?*

Digit Dog thinks that Calculating Cat might have 6p in her purse. *Which coins is he thinking of? What about 10p?*

Explore which coins could be in the purse.* How many different amounts could there be?*

Record the different amounts you have found.

Organise your answers so that you can be systematic and work out all the possible amounts.

*What if there were fewer coins in the purse?* Try it with just 2 or 3 coins.

*What if the coins in the purse were silver coins?*

*What if there were only 1p, 2p, 5p and 10p coins in the purse?*

*What if no coin was worth more than 20p?*

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