### The magic triangle

** A triangle can be made by arranging 4 shapes on a 5 x 13 grid.
By re-arranging the shapes a new triangle can be made.
**The pieces in the lower triangle are exactly the same as those in the upper triangle, but now seem to take up less space so there is one blank square

**Where does the white square come from?**

**Hover your mouse here for the solution**

#### Here is another similar puzzle:

**4 similar quadrilateral shapes are arranged into a square.**

If each is rotated by 180º they make a similar square but there is a piece missing in the middle.

Where does the extra space come from?

**Hover your mouse here for the solution**

#### Bear Puzzle

A bear walks 1 kilometre south, 1 kilometre west and then 1 kilometre north

He ends up in exactly the same place he started.

What colour is the bear.

**Hover your mouse here for the solution**

#### 4 litres of water problem

You are camping be the edge of a stream and a recipe calls for EXACTLY 4 litres of water.

Unfortunately you only have two empty containers, one that holds 3 litres of water and one that holds 5 litres.

How can you get exactly 4 litres (you can fill and empty the containers as many times as you like using water from the stream).

**Hover your mouse here for the solution**

### Links to science games and puzzles

**Do you know any other puzzles?**

**Let me know by filling in the form below.**

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