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There are to be 6 homes built on a new development site. They could be semi-detached, detached or terraced houses. How many different combinations of these can you find?

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This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.

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Train Carriages

Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?

Whose Sandwich?

Age 5 to 7 Challenge Level:

Chandra, Jane, Terry and Harry ordered their lunches from the sandwich shop. The four sandwiches were Ham, Cheese, Jam and Tomato.

Use the following information to find out who ordered each sandwich:

No one liked the type of sandwich that started with the same letter as their name.

Jane doesn't like Ham or Tomato.

Terry doesn't like Ham, and Harry doesn't eat Jam.