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Can you make five differently sized squares from the tangram pieces?

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Baked Bean Cans

Is there a best way to stack cans? What do different supermarkets do? How high can you safely stack the cans?

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Three Squares

What is the greatest number of squares you can make by overlapping three squares?

Tricky Triangles

Age 5 to 7 Challenge Level:

Could you try to fit the large triangle in first? Where could it go?
Have you left the right-shaped spaces for the two small triangles?
After you have completed a few, have another look at them. Do they have anything in common? You might be able to use this idea to help fill in the other outlines.