This activity investigates how you might make squares and pentominoes from Polydron.
Make a cube out of straws and have a go at this practical
How can you put five cereal packets together to make different
shapes if you must put them face-to-face?
Take a square of paper.
Put a mark half way along each side (ABCD). (You can do this easily
Join two midpoints (DC), as shown, then mark half way along the
new line (E).
Now join this new midpoint to the other two. (EA, EB).
Cut along these lines.
Now use the four shapes to make a triangle.