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

Baked Bean Cans

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

Three Squares

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

Measure Our Heights

Age 5 to 7
Challenge Level

The first boy boy is trying to find out how tall he is.  I think he is finding it hard.
In the second picture the little boy is trying a different way, but still finding it hard.


This girl is being measured in a different way and the others are discussing how good that way is for finding her height.

What things (in the pictures) might they be finding hard?
Can you find a better way to find out the height of a friend?
What will you use? Try it and see how tall they are.
Can you give answers in m as well as cm?


Photograph Acknowledgements