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Cuisenaire Rods

These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?

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Making Boxes

Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?

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A Right Charlie

Can you use this information to work out Charlie's house number?

Odd Squares

Stage: 2 Challenge Level: Challenge Level:1
Can you describe what is happening in the images?
What can you say about the pattern of dots on each side of the red line in the third image?
If there was a fourth picture, what could it look like?
What is the starting number in the picture?
Can you draw a similar series of pictures for different starting numbers?