Logarithms sound bad I know, but they’re not.

Look, this is 10×10

Say, ‘ten cross ten’. The answer is 100 is it not? It is 2 layers high:

This means the same thing, but we use less rods when the towers get higher. We can turn this one on its side if we like:

Now it looks rather like this flat representation:

This means 10×10, 10 squared, 10 raised to the power 2, answer is 100

**THE LOGARITHM OF 100 IS 2**

…if you are using orange rods and you call an orange rod 10

**THE LOGARITHM IS THE HEIGHT OF THE TOWER, THAT’S ALL…………….**

The only thing to stress is that the tower must be made of the same colour of rods.

**This colour is called the BASE**

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