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Take three different colour blocks, maybe red, yellow and blue.
Make a tower using one of each colour.
Here's one with red on top, blue in the middle and yellow on the bottom.
Now make another tower with a different colour on top.
How many different towers can you make?
How will you know that you have found them all?
You can click below to see how two learners started this task.
Elias says:
Did you start the problem in the same way as either of these children?
What do you think about each method?
You may like to print off one of these sheets for recording three-block towers.
Six new homes are being built! They can be detached, semi-detached or terraced houses. How many different combinations of these can you find?
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?
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?