mathematics

1. Math Puzzle - Solution
The Puzzle:
In this diagram 11 matches make 3 squares:
Your challenge is to move 3 matches to show 2 squares.
Our Solution:
As Easy As Pi Puzzle - Solution

2. The Puzzle:
Cut up the Greek letter Pi below into five pieces as shown.
Re-arrange the five pieces to make a square.
Is there more than one way?
Our Solution:
I have only found one solution excluding reflections and rotations:
Beads Duo Puzzle - Solution

3. The Puzzle:
You have six beads placed in a plane.
The object is to find two pairs of equidistant beads. (In other words, find a pair
of beads that are exactly the same distance apart as another pair of beads).
The distance between two beads is meant as the distance between their
centers.

4. Our Solution:
The solution is shown in this illustration:
Color Cubes Puzzle - Solution
The Puzzle:
There are nine compositions (A to I) of eight colored cubes. Find two identical
compositions. They can be rotated.

6. Our Solution:
Compositions D and I are identical.

7. Our Solution:
Compositions D and I are identical.