Move 4 matchsticks to create 5 triangles, the triangles don't have to be equal in size.

There are 10 squares in the figure. Move 3 matchsticks to create 17 squares. Squares don't have to be equal in size?

Move 3 matchsticks to create 2 rhombuses. (also known as diamonds) The 2 rhombuses must be equal in size.

Move 2 match sticks to create 2 squares. The squares don't have to be equal in size.

Can you move 4 matchsticks to have 6 equilateral triangles?

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.