To solve these puzzles, partition the grid into rectangles, each containing exactly one dot.   Each rectangle must be a different size, even when rotated, though rectangles may have the same area.   An example of a solved puzzle is shown below.
    example:         #1:

              #2:         #3:
Click here for a printer version of the puzzle

Solution to the Problem:

#1:  
#2:  
#3:  


Correctly solved by:

1. Rebecca Hayes Madison, Wisconsin
2. Emre Karabıyık Hacettepe University,
ANKARA, TURKEY
3. Ivy Joseph Pune, Maharashtra, India
4. Colin (Yowie) Bowey Beechworth, Victoria, Australia
5. Ariana Hashemi San Ramon, California