Can you move 4 matches to create a house?
See pic below:
Better one:
Move 6 matches to create 2 squares.
Can you move 2 matches to make it valid? There are at least 2 answers.
Move 4 matchstick to create a shape with half the area. Do not move any matchstick along AC.
From the answer to the first part, create another shape with the same area without moving matches along AC.
Here is a hexagon using 6 matchsticks. Move 4 matchsticks to create 2 triangles.