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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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Number Squares

Start with four numbers at the corners of a square and put the total of two corners in the middle of that side. Keep going... Can you estimate what the size of the last four numbers will be?

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I'm Eight

Find a great variety of ways of asking questions which make 8.

Find the Difference

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

You could use numbered counters that can be moved about if you're not using the interactivity.
Where might the largest number go?
You might find this sheet of blank pyramids useful.