Can you move 3 matchsticks to create 3 regions and separate the coins into 10, 30 and 50 cents?
See attached
There are 3 rectangles of size 2X1 in the layout above. They are ABDC, EGLJ and FHMK.
Move 3 matchsticks to create FOUR equal rectangles each of size 2X1.
Here is a hexagon using 6 matchsticks. Move 4 matchsticks to create 2 triangles.
Here we have 2 triangles, with the small one inside the large one. Can you move 3 matchsticks to have 4 triangles?
Can you move 3 matchsticks to flip the chair back to the original position?