Add up the numbers below, say the sub-total out aloud with each step.

Start at 1000 and add 40 to it.

Now add another 1000.

Now add another 30. Add another 1000.

Now add 20. Now add another 1000. and now add 10.

What is the total?

Did you get 5000?

Most people do, and guess what….

..... you are all wrong! Answer further below.

By the way the answer is 4100.