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Coded Hundred Square

Age 7 to 11 Challenge Level:

This hundred square is written in code.

It starts with one and ends with a hundred.

Can you build it up? How did you do it?
Can you build it up in a different way?
Talk to a friend who has also tried building up the hundred square.  How did s/he do it?  What do you like about her/his method?

You can use the interactivity below or print and cut out the pieces from these sheets.