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Cubes

Investigate the number of faces you can see when you arrange three cubes in different ways.

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I'm Eight

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

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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?

Doing and Undoing

Stage: 1 Challenge Level: Challenge Level:1
Think carefully about what has happened to the number.
What sort of thing do you think would take it back to the number that you started with?