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Well, that's three photos of three different ways of putting some blocks together. But there's a mirror behind the black strip. In the mirror you can see the reflections.
Now here are some more pictures but only the reflection is shown and you have to place blocks that will make this reflection.
Now here are two that will probably need more careful thinking.
So, one of your group makes a model, maybe something like this;
Which times on a digital clock have a line of symmetry? Which look the same upside-down? You might like to try this investigation and find out!
What are the coordinates of this shape after it has been transformed in the ways described? Compare these with the original coordinates. What do you notice about the numbers?
A shape and space game for 2, 3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board.