These are pretty simple mistakes, and it may be that they come about because bigger numbers make better stories.

This was a simple mistake in my post which you have spotted, so well done!

I'm sure you'll remember the next time you make a simple mistake when commenting on the Internet how serious it is.

"You soon learn that a simple mistake can result in almost dying."

It won't be a simple mistake that we can work to fix.

He'd obviously made a simple mistake, and knocked on the wrong door.

"Such a simple mistake could get you killed if we truly fought."

Nine million poured in for 2002, many of them just simple mistakes.

The term does not stand for anything, other than that it is a simple mistake.

In this, the student is disciplined for making even simple mistakes.