Matchstick puzzles with answers to improve your brain.

Explanation :

 Move the stick from 2 and placed in a standing position after that move the middle down stick, as shown in the below image.  
So, here are the perfect 2 squares.

Explanation :

 Firstly move 2 matchsticks from roof of house and place those sticks below to get a window-like structure. So we get 11 squares.

Explanation :

 Let"s solve the puzzle, 
1. Remove 1 stick from the last zero (0) that becomes "C" shift that sticks to the top of number 1 which becomes "T".
2. From middle zero shift the stick to the middle, which becomes "A" Word "CAT". We get in "TAC" format and rearrange them in the correct order.