In this picture you can see 6 coins in the shape of a cross. Moving just ONE coin, can you form 2 lines, each with 4 coins?
Take the bottom coin and place it on top of the coin in the middle
take the last coin and put it on the 2nd coin from top
Move 1 coin to form 2 lines of 4 coins.
Can you add 6 matchsticks to divide the square into 4 pieces with EQUAL shape and ONE coin each?
In the formation, you can see a few arranged matchsticks. Can you form three squares by moving just three matchsticks?