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Six new homes are being built! They can be detached, semi-detached or terraced houses. How many different combinations of these can you find?

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?

Let's Investigate Triangles

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

3 Blocks Towers

Age 5 to 7
Challenge Level

How many towers will have a red block at the top?
How many will have yellow at the top? What about blue?
How will you know when you have got them all? Perhaps you could rearrange them to help?