Are you a logical thinker? Good at simple math?

Here is a fifth grade problem. See if you can do it. Keep a running total in your head.

Take the sum of 1000.
Now add 40 to it.

Now add another 1000,
and add 30.

Add another 1000, and
add 20.

Now add another 1000, and
fianlly add 10
What is your total?

If you said 5000, you are typical but incorrect.

the correct answer is 4100.