Solution:

We believe you know that square is also a rectangle.

Solution:

You can see how we did it in the given picture.

Solution:

Source Code.

The movie name is - Source Code. Well, if you are even a bit technical or have managed blogs or websites, it was not so difficult to guess that. Right?

Solution:

This picture comprises of 31 hands and 155 fingers.

Solution:

Look at her hand. She has five fingers besides the obvious thumb that is not visible. This is not possible and that is what is wrong with the picture.

Solution:

We have moved the two matchsticks colored in purple and now the resultant figure contains five 1x1 squares, one 2x2 square and one 3x3 square.

Solution:

Need for Speed.

Explanation:
Clearly, ds/dt refers to speed. Concluding with whats written already, the movie name is Need for Speed.

Solution:

It is a baby's face as you can see in the answer picture.

Solution:

In the picture you can find the green matchsticks. We have moved them from the bottom and placed them in the middle. It was a bit tricky but now you have your desired result.

Solution:

You can see what we did in the picture attached. If there is any other method you have in your mind, do mail us or comment with your solution.